Let P(t) be the population of a bacteria culture after t days and suppose that P(t) has the line y = 25,000,000 as an asymptote. What does this imply about the size of the population?
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) has an inflection point at x = 4. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Differentiate. y = 7 / √(1 + x)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) has an inflection point at x = 1. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) must be concave down at x = 2. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) must be concave up at x = 0. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) has a relative minimum at x = 5. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) has a relative maximum at x = 3. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) must be decreasing at x = 4. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> Refer to Fig. 23, which contains the graph of f ‘(x), the derivative of the function f (x). Figure 23: Explain why f (x) must be increasing at x = 6. 3 CO 2 1 -2 y y = f'(x) 1 2 3 5 6 (6,2)
> In Fig. 22, the t-axis represents time in minutes. Figure 22: (a) What is f (2)? (b) Solve f (t) = 1. (c) When does f (t) attain its greatest value? (d) When does f (t) attain its least value? (e) What is the rate of change of f (t) at t = 7.5? (f ) W
> Refer to Fig. 21. Figure 21: (a) Looking at the graph of f ‘(x), determine whether f (x) is increasing or decreasing at x = 9. Look at the graph of f (x) to confirm your answer. (b) Looking at the values of f ‘(x) f
> Suppose that Fig. 20 contains the graph of y = Ï… (t), the velo city of a car after t hours. Is the car going faster at t = 1 or t = 2? Figure 20: Figure 20 y 1 2
> Differentiate. y = 2 / 1 - 5x
> Suppose that Fig. 20 contains the graph of y = s (t), the distance traveled by a car after t hours. Is the car going faster at t = 1 or t = 2? Figure 20: Figure 20 y 1 2
> The first and second derivatives of the function f (x) have the values given in Table 1. (a) Find the x-coordinates of all relative extreme points. (b) Find the x-coordinates of all inflection points. Table 1: Table 1 Values of the First Two Deriva
> Refer to the graph in Fig. 19. Fill in each box of the grid with either POS, NEG, or 0. Figure 19: Y Figure 19 y = f(x) B x A B C f'
> Use the given information to make a good sketch of the function f (x) near x = 3. f (3) = 3, f ‘(3) = 1, inflection point at x = 3, f ’’(x) < 0 for x > 3
> Use the given information to make a good sketch of the function f (x) near x = 3. f (3) = -2, f ‘(3) = 2, f ’’(3) = 3
> Use the given information to make a good sketch of the function f (x) near x = 3. f (3) = 4, f (3) = - 3/2 , f (3) = -2
> Use the given information to make a good sketch of the function f (x) near x = 3. f (3) = 1, f ‘(3) = 0, inflection point at x = 3, f ‘(x) > 0 for x > 3
> Use the given information to make a good sketch of the function f (x) near x = 3. f (3) = -2, f ‘(3) = 0, f ’’(3) = 1
> Use the given information to make a good sketch of the function f (x) near x = 3. f (3) = 4, f ‘(3) = - 1/2, f ’’(3) = 5
> Sketch the graph of a function that has the properties described. f (x) defined only for x ≥ 0; (0, 0) and (5, 6) are on the graph; f ‘(x) > 0 for x ≥ 0; f ’’(x) < 0 for x < 5, f ’’(5) = 0, f ’’(x) > 0 for x > 5.
> Differentiate. y = 1 / 2x + 5
> Differentiate. y = 3√3 x
> Sketch the graph of a function that has the properties described. (0, 6), (2, 3), and (4, 0) are on the graph; f ‘(0) = 0 and f ‘(4) = 0; f ’’(x) < 0 for x < 2, f ’’(2) = 0, f ’’(x) > 0 for x > 2.
> Sketch the graph of a function that has the properties described. (-2, -1) and (2, 5) are on the graph; f ‘(-2) = 0 and f ‘(2) = 0; f ’’(x) > 0 for x < 0, f ’’(0) = 0, f ’’(x) < 0 for x > 0.
> Sketch the graph of a function that has the properties described. f (3) = 5; f (x) > 0 for x < 3, f ‘(3) = 0 and f (x) > 0 for x > 3.
> Sketch the graph of a function that has the properties described. f (-1) = 0; f ‘(x) 6 0 for x < -1, f ‘(-1) = 0 and f ‘(x) > 0 for x > -1.
> Sketch the graph of a function that has the properties described. f (2) = 1; f ‘(2) = 0; concave up for all x.
> Which one of the graphs in Fig. 18 could represent a function f (x) for which f (a) = 0, f ‘(a) 0? Figure 18: y Y Figure 18 a (a) a (c) y Y a (b) a (d) 8
> Which one of the graphs in Fig. 18 could represent a function f (x) for which f (a) > 0, f ‘(a) = 0, and f ’’(a) Figure 18: y Y Figure 18 a (a) a (c) y Y a (b) a (d) 8
> Describe the following graph. THE + Y
> Describe the following graph. 引
> Refer to graphs (a)–(f) in Fig. 19. Figure 19: Which functions have the property that the slope always decreases as x increases? K (a) (c) (e) n Figure 19 (b) 44 Y ㅅ (d) 1 (f) x 2
> Differentiate. y = √(1 + x + x2)
> Refer to graphs (a)–(f) in Fig. 19. Figure 19: Which functions have the property that the slope always increases as x increases? K (a) (c) (e) n Figure 19 (b) 44 Y ㅅ (d) 1 (f) x 2
> Refer to graphs (a)–(f) in Fig. 19. Figure 19: Which functions are decreasing for all x? K (a) (c) (e) n Figure 19 (b) 44 Y ㅅ (d) 1 (f) x 2
> Refer to graphs (a)–(f) in Fig. 19. Figure 19: Which functions are increasing for all x? K (a) (c) (e) n Figure 19 (b) 44 Y ㅅ (d) 1 (f) x 2
> Simultaneously graph the functions y = 1/x + x and y = x in the window [-6, 6] by [-6, 6]. Describe the asymptote of the first function.
> The graph of the function f (x) = 2x2 – 1 / .5x2 + 6 has a horizontal asymptote of the form y = c. Estimate the value of c by graphing f (x) in the window [0, 50] by [-1, 6].
> Graph the function f (x) = 1 / x3 - 2x2 + x - 2 in the window [0, 4] by [-15, 15]. For what value of x does f (x) have a vertical asymptote?
> If the function f (x) has a relative minimum at x = a and a relative maximum at x = b, must f (a) be less than f (b)?
> Consider a smooth curve with no undefined points. (a) If it has two relative maximum points, must it have a relative minimum point? (b) If it has two relative extreme points, must it have an inflection point?
> Sketch the graph of a function having the given properties. Defined for x ≥ 0; absolute minimum value at x = 0; relative maximum point at x = 4; asymptotic to the line y = (x/2) + 1
> Sketch the graph of a function having the given properties. Defined and increasing for all x Ú 0; inflection point at x = 5; asymptotic to the line y = (3/4)x + 5.
> Differentiate. y = √(1 + x2)
> Sketch the graph of a function having the given properties. Relative maximum points at x = 1 and x = 5; relative minimum point at x = 3; inflection points at x = 2 and x = 4
> Sketch the graph of a function having the given properties. Defined for 0 ≤ x ≤ 10; relative maximum point at x = 3; absolute maximum value at x = 10
> Let s (t) be the distance (in feet) traveled by a parachutist after t seconds from the time of opening the chute, and suppose that s (t) has the line y = -15t + 10 as an asymptote. What does this imply about the velocity of the parachutist?
> Figure 23 shows the graph of the consumer price index for the years 1983 (t = 0) through 2002 (t = 19). This index measures how much a basket of commodities that costs $100 in the beginning of 1983 would cost at any given time. In what year was the rate
> Figure 22 gives the number of U.S. farms in millions from 1920 (t = 20) to 2000 (t = 100). In what year was the number of farms decreasing most rapidly? Figure 22: U.S. Farms (millions) 52428766 Y HT 0 10 20 30 40 50 60 70 80 90 100 (1900) (2000) T
> Suppose that some organic waste products are dumped into a lake at time t = 0 and that the oxygen content of the lake at time t is given by the graph in Fig. 21. Describe the graph in physical terms. Indicate the significance of the inflection point at t
> One method of determining the level of blood flow through the brain requires the person to inhale air containing a fixed concentration of N2O, nitrous oxide. During the first minute, the concentration of N2O in the jugular vein grows at an increasing rat
> Let C(x) denote the total cost of manufacturing x units of some product. Then C(x) is an increasing function for all x. For small values of x, the rate of increase of C(x) decreases (because of the savings that are possible with “mass production”). Event
> In certain professions, the average annual income has been rising at an increasing rate. Let f (T) denote the average annual income at year T for persons in one of these professions and sketch a graph that could represent f (T).
> Differentiate. y = 3x + π3
> In certain professions, the average annual income has been rising at an increasing rate. Let f (T) denote the average annual income at year T for persons in one of these professions and sketch a graph that could represent f (T).
> The annual world consumption of oil rises each year. Furthermore, the amount of the annual increase in oil consumption is also rising each year. Sketch a graph that could represent the annual world consumption of oil.
> Draw the graph of a function y = f (x) with the stated properties. Both the function and the slope decrease as x increases.
> Draw the graph of a function y = f (x) with the stated properties. The function decreases and the slope increases as x increases.
> Draw the graph of a function y = f (x) with the stated properties. The function increases and the slope decreases as x increases.
> Draw the graph of a function y = f (x) with the stated properties. Both the function and the slope increase as x increases.
> Refer to the graph in Fig. 20. Figure 20: (a) At which labeled points is the function decreasing? (b) At which labeled points is the graph concave down? (c) Which labeled point has the most negative slope (that is, negative and with the greatest magni
> Refer to the graph in Fig. 20. Figure 20: (a) At which labeled points is the function increasing? (b) At which labeled points is the graph concave up? (c) Which labeled point has the most positive slope? Figure 20 A B ایت از D E / y = f(x)
> Describe the way the slope changes on the graph in Exercise 10. Exercise 10: Describe the following graph.
> Describe the way the slope changes on the graph in Exercise 8. Exercise 8: Describe the following graph. " x
> Differentiate. y = 1 / x3 + x + 1
> Describe the way the slope changes on the graph in Exercise 6. Exercise 6: Describe the following graph. THE + Y
> Describe the way the slope changes as you move along the graph (from left to right) in Exercise 5. Exercise 5: Describe the following graph. 引
> Describe the following graph. Y A x
> Describe the following graph.
> Describe the following graph.
> Describe the following graph. 1 y=x
> Describe the following graph. " x
> Describe the following graph. 1
> Find the equation and sketch the graph of the following lines. Parallel to -2x + 3y = 6, passing through (0, 1).
> Find the equation and sketch the graph of the following lines. Parallel to y = -2x, passing through (3, 5).
> Differentiate. f(x) = 5√(3x3 + x)
> Find the equation and sketch the graph of the following lines. Through (1, 4), with slope - 13.
> Find the equation and sketch the graph of the following lines. Through (2, 0), with slope 5.
> Find the equation and sketch the graph of the following lines. With slope 3/4 , y-intercept (0, -1).
> Find the equation and sketch the graph of the following lines. With slope -2, y-intercept (0, 3).
> Use limits to compute the following derivatives. As h approaches 0, what value is approached by 1 1 2+h 2 h
> Use limits to compute the following derivatives. What geometric interpretation may be given to ((3 + h)2 – 32 )/h in connection with the graph of f (x) = x2?
> Use limits to compute the following derivatives. f ‘(3), where f (x) = x2 - 2x + 1.
> Use limits to compute the following derivatives. f ‘(5), where f (x) = 1/(2x).
> Determine whether the following limits exist. If so, compute the limit. lim x→5 (x – 5) / (x2 – 7x + 2)
> Determine whether the following limits exist. If so, compute the limit. lim x→4 (x – 4) / (x2 – 8x + 16)
> Differentiate. y = 2 4√(x2 + 1)
> Determine whether the following limits exist. If so, compute the limit. lim x→3 1 / (x2 – 4x + 3)
> Determine whether the following limits exist. If so, compute the limit. lim x→2 (x2 – 4) / (x – 2)
> If you deposit $100 in a savings account at the end of each month for 2 years, the balance will be a function f (r) of the interest rate, r%. At 7% interest (compounded monthly), f (7) = 2568.10 and f ‘(7) = 25.06. Approximately how much additional money
> Let h(t) be a boy’s height (in inches) after t years. If h’(12) = 1.5, how much will his height increase (approximately) between ages 12 and 12 ½ ?
> The number of people riding the subway daily from Silver Spring, Maryland, to Washington’s Metro Center is a function f (x) of the fare, x cents. If f (235) = 4600 and f ‘(235) = -100, approximate the daily number of riders for each of the following cost
> A manufacturer estimates that the hourly cost of producing x units of a product on an assembly line is C(x) = .1x3 - 6x2 + 136x + 200 dollars. (a) Compute C(21) - C(20), the extra cost of raising the production from 20 to 21 units. (b) Find the marginal
> Refer to Fig. 3, where s(t) is the number of feet traveled by a person after t seconds of walking along a straight path. Figure 3: Without calculating velocities, determine whether the person is traveling faster at t = 5 or at t = 6. y 12 11 10 9
> Refer to Fig. 3, where s(t) is the number of feet traveled by a person after t seconds of walking along a straight path. Figure 3: What is the person’s velocity at time t = 3? y 12 11 10 9 00 8 7 6 5 4 3 2 1 y = s(t) 0 1 2 3 4 5
> Refer to Fig. 3, where s(t) is the number of feet traveled by a person after t seconds of walking along a straight path. Figure 3: What is the person’s average velocity from time t = 1 to t = 4? y 12 11 10 9 00 8 7 6 5 4 3 2 1 y
> Refer to Fig. 3, where s(t) is the number of feet traveled by a person after t seconds of walking along a straight path. Figure 3: How far has the person traveled after 6 seconds? y 12 11 10 9 00 8 7 6 5 4 3 2 1 y = s(t) 0 1 2 3 4 5 6 7 Figure 3 W
