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Question: A hole of radius r is bored


A hole of radius r is bored through the center of a sphere of radius R > r. Find the volume of the remaining portion of the sphere.


> What is a partial dependency? With what normal form is it associated?

> The dependency diagram in Figure Q6.8 indicates that a patient can receive many prescriptions for one or more medicines over time. Based on the dependency diagram, create a database whose tables are in at least 2NF, showing the dependency diagram for ea

> The dependency diagram in Figure Q6.7 indicates that authors are paid royalties for each book that they write for a publisher. The amount of the royalty can vary by author, by book, and by edition of the book. Figure Q6.7 Book royalty dependency diagr

> The administrators of Tiny College are so pleased with your design and implementation of their student registration/tracking system that they want you to expand the design to include the database for their motor vehicle pool. A brief description of opera

> Given the dependency diagram shown in Figure Q6.6, answer items 6a-6c: FIGURE Q5.6 Dependency Diagram for Question 6  a. Identify and discuss each of the indicated dependencies. b. Create a database whose tables are at least in 2NF, showing the depen

> When is a table in BCNF?

> When is a table in 3NF?

> When is a table in 2NF?

> When is a table in 1NF?

> Suppose that someone tells you that an attribute that is part of a composite primary key is also a candidate key. How would you respond to that statement?

> How would you describe a condition in which one attribute is dependent on another attribute when neither attribute is part of the primary key?

> Why is a table whose primary key consists of a single attribute automatically in 2NF when it is in 1NF?

> What is a surrogate key, and when should you use one?

> Define and discuss the concept of transitive dependency.

> What are the client/server's infrastructure requirements and how do they function?

> What actions are taken during the database initial study, and why are those actions important to the database designer?

> Set up an integral for the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Then use your calculator to evaluate the integral correct to five decimal places. (a)

> Set up an integral for the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Then use your calculator to evaluate the integral correct to five decimal places. (a)

> Set up an integral for the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Then use your calculator to evaluate the integral correct to five decimal places. (a)

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) Rz about BC

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) Rz about AB

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) Rz about OC

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R3 about OA

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R2 about BC

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R2 about AB

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R2 about OC

> Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. Then find the area of the region. у 3 sin x, у—2х/п, х>0 y

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R2 about OA

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R1 about BC

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R, about AB

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) R1 about OC

> Refer to the figure and find the volume generated by rotating the given region about the specified line. C(0, 1)| R2 B(1, 1) y= Vx A(1, 0) Rj about OA

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. у — х, у — 0, х — 2, х — 4; about x

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. x = y', x = 1 – y²; about x = 3

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. ху— 1, у — 0, х — 1, х— 2;B about x -

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. у —х', у — 0, х — 1; about x

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. y = sin x, y = cos x, 0 < x </4; about y = -1

> Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. Then find the area of the region. у — 1/х, у — 1/х, х—2 y

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. y = 1 + sec x, y = 3; about y = 1

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. у — х", у — 1, х — 2;B about y — -3 |3D

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. у —х, х — у?;B аbout y — 1

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. х — 2 — у?, х —у%;B about the y-aхis

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. y² = x, x = 2y; about the y-axis

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. y = 6 – x², y = 2; about the x-axis

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. y = x', y = x, x> 0; about the x-axis

> Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified line. Sketch the region, the solid, and a typical disk or washer. 2х — у?, х — 0, у — 4;B about the y-ахis

> Suppose that a region / has area A and lies above the x-axis. When / is rotated about the x-axis, it sweeps out a solid with volume V1. When / is rotated about the line y = -k (where k is a positive number), it sweeps out a solid with volume V2. Express

> Some of the pioneers of calculus, such as Kepler and Newton, were inspired by the problem of finding the volumes of wine barrels. (In fact Kepler published a book Stereometria doliorum in 1615 devoted to methods for finding the volumes of barrels.) They

> Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. Then find the area of the region. у — х3 — 4х, у %3 2х y

> A hole of radius r is bored through the middle of a cylinder of radius R < r at right angles to the axis of the cylinder. Set up, but do not evaluate, an integral for the volume cut out.

> A bowl is shaped like a hemisphere with diameter 30 cm. A heavy ball with diameter 10 cm is placed in the bowl and water is poured into the bowl to a depth of h centimeters. Find the volume of water in the bowl.

> Find the volume common to two spheres, each with radius r, if the center of each sphere lies on the surface of the other sphere.

> Find the volume common to two circular cylinders, each with radius r, if the axes of the cylinders intersect at right angles.

> (a) Cavalieri&acirc;&#128;&#153;s Principle states that if a family of parallel planes gives equal cross-sectional areas for two solidsS1 and S2, then the volumes of S1 and S2 are equal. Prove this principle. (b) Use Cavalieri&acirc;&#128;&#153;s Princip

> Solve Example 9 taking cross-sections to be parallel to the line of intersection of the two planes.

> (a) Set up an integral for the volume of a solid torus (the donut-shaped solid shown in the figure) with radii r and R. (b) By interpreting the integral as an area, find the volume of the torus. R-

> The base of S is a circular disk with radius r. Parallel cross sections perpendicular to the base are isosceles triangles with height h and unequal side in the base. (a) Set up an integral for the volume of S. (b) By interpreting the integral as an area,

> For what values of m do the line y = mx and the curve / enclose a region? Find the area of the region.

> Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. Then find the area of the region. у 3 (х — 2), у %3Dх 2)°, y = y =

> Suppose that /. For what value of c is the area of the region enclosed by the curves y = cos x, / equal to the area of the region enclosed by the curves /

> Find the values of c such that the area of the region bounded by the parabolas /

> (a) Find the number a such that the line x − a bisects the area under the curve / (b) Find the number b such that the line y = b bisects the area in part (a).

> Find the number b such that the line y = b divides the region bounded by the curves y = x2 and y = 4 into two regions with equal area.

> Find the area of the region bounded by the parabola y = x2, the tangent line to this parabola at (1, 1), and the x-axis.

> The curve with equation / is called Tschirnhausen’s cubic. If you graph this curve you will see that part of the curve forms a loop. Find the area enclosed by the loop.

> The figure shows graphs of the marginal revenue function R9 and the marginal cost function C9 for a manufacturer. [Recall from Section 4.7 that R(x) and C(x) represent the revenue and cost when x units are manufactured. Assume that R and C are measured i

> Two cars, A and B, start side by side and accelerate from rest. The figure shows the graphs of their velocity functions. (a) Which car is ahead after one minute? Explain. (b) What is the meaning of the area of the shaded region? (c) Which car is ahead af

> The rates at which rain fell, in inches per hour, in two different locations t hours after the start of a storm are given by / and / Compute the area between the graphs for / and interpret your result in this context.

> In Example 5, we modeled a measles pathogenesis curve by a function f. A patient infected with the measles virus who has some immunity to the virus has a pathogenesis curve that can be modeled by, for instance, / (a) If the same threshold concentration

> Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. Then find the area of the region. у 3 sin x, у — х, х— п/2, х— п

> If the birth rate of a population is / people per year and the death rate is / people per year, find the area between these curves for / What does this area represent?

> A cross-section of an airplane wing is shown. Measurements of the thickness of the wing, in centimeters, at 20-centimeter intervals are 5.8, 20.3, 26.7, 29.0, 27.6, 27.3, 23.8, 20.5, 15.1, 8.7, and 2.8. Use the Midpoint Rule to estimate the area of the w

> The widths (in meters) of a kidney-shaped swimming pool were measured at 2-meter intervals as indicated in the figure. Use the Midpoint Rule to estimate the area of the pool. 5.6 5.0 6.8 7.2 4.8 4.8 6.2

> Racing cars driven by Chris and Kelly are side by side at the start of a race. The table shows the velocities of each car (in miles per hour) during the first ten seconds of the race. Use the Midpoint Rule to estimate how much farther Kelly travels than

> Sketch the region in the xy-plane defined by the inequalities / and find its area.

> Use a computer algebra system to find the exact area enclosed by the curves y = x5 - 6x3 + 4x and y = x.

> Graph the region between the curves and use your calculator to compute the area correct to five decimal places. у — cos x, у —х+2 sin'x y

> Graph the region between the curves and use your calculator to compute the area correct to five decimal places. y = у — tan?x, у — x

> Graph the region between the curves and use your calculator to compute the area correct to five decimal places. y = e' *, y=x*

> Graph the region between the curves and use your calculator to compute the area correct to five decimal places. 2 y = 1 + x* y = x?

> Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Draw a typical approximating rectangle and label its height and width. Then find the area of the region. y = e", y = x? – 1, x=-1, x= 1

> Use a graph to find approximate x-coordinates of the points of intersection of the given curves. Then find (approximately) the area of the region bounded by the curves. у — 1.3, у— 2

> Use a graph to find approximate x-coordinates of the points of intersection of the given curves. Then find (approximately) the area of the region bounded by the curves. у — Зx? — 2х, у—х3 — Зх + 4

> Use a graph to find approximate x-coordinates of the points of intersection of the given curves. Then find (approximately) the area of the region bounded by the curves. y = (x² + 1)²' y = x' – x, x>0

> Use a graph to find approximate x-coordinates of the points of intersection of the given curves. Then find (approximately) the area of the region bounded by the curves. у —х sin(x"), у — х", x> 0 y y

> Evaluate the integral and interpret it as the area of a region. Sketch the region. L,13* – 2*| dx

> Evaluate the integral and interpret it as the area of a region. Sketch the region. 1/2 " | sin x – cos 2x| dx

> Use calculus to find the area of the triangle with the given vertices. (2, 0), (0,2), (-1, 1)

> Use calculus to find the area of the triangle with the given vertices. (0, 0), (3, 1), (1, 2)

> Sketch the region enclosed by the given curves and find its area. In x y = - (In x)² y =

> Sketch the region enclosed by the given curves and find its area. x² y 1+ x? y 1 + x³

> Find the area of the shaded region. 4. yA x= y? – 4y (-3, 3) x= 2y – y²

> Find the area of the shaded region. y AI y=r (1, 1) x= 8 y = 1/x

> Use the graph of

> Use your computer algebra system to differentiate

> Use a graph of

> Show that where And a² + b² – 625 0 = arccoS 2ab a? = (9 + x cos a)² + (31 – x sin a)? b? = (9 + x cos a)² + (x sin a – 6)²

> power model often provides a more accurate fit than a quadratic model for a Lorenz function. If you have a computer with Maple or Mathematica, fit a power function (y &acirc;&#128;&#147; axk) to the data in Problem 2 and use it to estimate the Gini index

> The following table gives values for the Lorenz function in the years 1970, 1980, 1990, and 2000. Use the method of Problem 2 to estimate the Gini index for the United States for those years and compare with your answer to Problem 2(c). Do you notice a t

> The following table (derived from data supplied by the US Census Bureau) shows values of the Lorenz function for income distribution in the United States for the year 2010. (a) What percentage of the total US income was received by the richest 20% of t

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