Question: Find an equation of the tangent line
Find an equation of the tangent line to the graph at the given point.
Circle
> Use the graph to estimate the slope of the tangent line to y = xn at the point (1, 1). Verify your answer analytically. To print an enlarged copy of the graph, go to MathGraphs.com (a) y = x1/2 (b) y = x3
> Describe the difference between average velocity and velocity.
> What are the derivatives of the sine and cosine functions?
> Explain how to find the derivative of the function f(x) = cxn.
> What is the derivative of a constant function?
> (a)Find an equation of the normal line to the ellipse x2/32 + y2/8 = 1 at the point (4, 2). (b) Use a graphing utility to graph the ellipse and the normal line. (c) At what other point does the normal line intersect the ellipse?
> The graph shows the normal lines from the point (2, 0) to the graph of the parabola x = y2. How many normal lines are there from the point (x0, 0) to the graph of the parabola if (a) x0 = ¼, (b) x0 = ½, and (c) x0 = 1? (d)
> Find equations of both tangent lines to the graph of the ellipse x2/4 + y2/4 = 1 that pass through the point (4, 0) not on the graph.
> Find all points on the circle x2 + y2 = 100 where the slope is 3/4.
> Find the derivative of the function.
> What is the difference between the (Simple) Power Rule and the General Power Rule?
> Prove (Theorem 2.3) that for the case in which n is a rational number. (Hint: Write y = xp/q in the form yq = xp and differentiate implicitly. Assume that p and q are integers, where q > 0.)
> Let L be any tangent line to the curve Show that the sum of the x- and y- intercepts of L is c.
> Consider the equation x4 = 4(4x2 – y2) Use a graphing utility to graph the equation. Find and graph the four tangent lines to the curve for y = 3 Find the exact coordinates of the point of intersection of the two tangent lines in the first quadrant.
> Use the graph to answer the questions. Which is greater, the slope of the tangent line at x = -3 3 or the slope of the tangent line at x = -1? Estimate the point(s) where the graph has a vertical tangent line. Estimate the point(s) where the graph has
> The figure below shows the topographic map carried by a group of hikers. The hikers are in a wooded area on top of the hill shown on the map, and they decide to follow the path of steepest descent (orthogonal trajectories to the contours on the map). Dra
> Verify that the two families of curves are orthogonal, where C and K are real numbers. Use a graphing utility to graph the two families for two values of C and two values of K. x2 + y2 = C2 y = Kx
> xy = C, x2 – y2 = k Verify that the two families of curves are orthogonal, where C and K are real numbers. Use a graphing utility to graph the two families for two values of C and two values of K.
> x3 = 3(y - 1) x(3y - 29) = 3 Use a graphing utility to sketch the intersecting graphs of the equations and show that they are orthogonal. [Two graphs are orthogonal if at their point(s) of intersection, their tangent lines are perpendicular to each othe
> Use a graphing utility to sketch the intersecting graphs of the equations and show that they are orthogonal. [Two graphs are orthogonal if at their point(s) of intersection, their tangent lines are perpendicular to each other.] x + y = 0 x = sin y
> Use a graphing utility to sketch the intersecting graphs of the equations and show that they are orthogonal. [Two graphs are orthogonal if at their point(s) of intersection, their tangent lines are perpendicular to each other.] y2 = x3 2x2 + 3y2 = 5
> Find the derivative of the function.
> Use a graphing utility to sketch the intersecting graphs of the equations and show that they are orthogonal. [Two graphs are orthogonal if at their point(s) of intersection, their tangent lines are perpendicular to each other.] 2x2 + y2 = 6 y2 = 4x
> 4x2 + y2 – 8x + 4y + 4 = 0 Find the points at which the graph of the equation has a vertical or horizontal tangent line.
> 25x2 + 16y2 + 200x – 160y + 400 = 0 Find the points at which the graph of the equation has a vertical or horizontal tangent line.
> Two circles of radius 4 are tangent to the graph of y2 = 4x at the point (1, 2). Find equations of these two circles.
> Show that the normal line at any point on the circle x2 + y2 = r2 passes through the origin.
> Find equations for the tangent line and normal line to the circle at each given point. (The normal line at a point is perpendicular to the tangent line at the point.) Use a graphing utility to graph the circle, the tangent lines, and the normal lines. x2
> x2 + y2 = 25 (4, 3), (-3, 4) Find equations for the tangent line and normal line to the circle at each given point. (The normal line at a point is perpendicular to the tangent line at the point.) Use a graphing utility to graph the circle, the tangent l
> Use a graphing utility to graph the equation. Find an equation of the tangent line to the graph at the given point and graph the tangent line in the same viewing window.
> Use a graphing utility to graph the equation. Find an equation of the tangent line to the graph at the given point and graph the tangent line in the same viewing window.
> 3xy − 4 cos x = −6 Find d2y/dx2 implicitly in terms of x and y.
> Find the derivative of the function.
> 7xy + sin x - 2 Find d2y/dx2 implicitly in terms of x and y.
> xy – 1 = 2x + y2 Find d2y/dx2 implicitly in terms of x and y.
> x2y – 2 = 5x + y Find d2y/dx2 implicitly in terms of x and y.
> x2y – 4x = 5 Find d2y/dx2 implicitly in terms of x and y.
> x2 + y2 = 4 Find d2y/dx2 implicitly in terms of x and y.
> Find dy/dx implicitly and find the largest interval of the form –a < y < a or 0 < y < a such that y is a differentiable function of x. Write dy/dx as a function of x. cos y = x
> Find dy/dx implicitly and find the largest interval of the form –a < y < a or 0 < y < a such that y is a differentiable function of x. Write dy/dx as a function of x. tan y = x
> Use implicit differentiation to find an equation of the Show that the equation of the tangent line to the ellipse
> Use implicit differentiation to find an equation of the Show that the equation of the tangent line to the ellipse
> Explain why the derivative of x2 + y2 + 2 = 1 does not mean anything.
> Find the derivative of the function.
> Write two different equations in implicit form that you can write in explicit form. Then write two different equations in implicit form that you cannot write in explicit form.
> Find an equation of the tangent line to the graph at the given point. Kappa curve
> Find an equation of the tangent line to the graph at the given point. Lemniscate
> Find an equation of the tangent line to the graph at the given point. Astroid
> Find an equation of the tangent line to the graph at the given point. Cruciform
> Find an equation of the tangent line to the graph at the given point. Parabola
> Folium of Descartes: x3 + y3 - 6xy = 0 Find the slope of the tangent line to the graph at the given point.
> Find the slope of the tangent line to the graph at the given point. Bifolium: (x2 + y2)2 = 4x2y
> Find the slope of the tangent line to the graph at the given point. Cissoid: (4 - x)y2 = x3
> Find the derivative of the function.
> Find the slope of the tangent line to the graph at the given point. Witch of Agnesi: (x2 + 4)y = 8
> x cos y = 1, (2, π/3) Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> tan(x + y) = x, (0, 0) Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> x3 + y3 – 6xy – 1, (2, 3) Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> (x + y)3 = x3 + y3, (-1, 1) Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> 3x3y = 6, (1, 2) Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> xy = 6, (-6, -1) Find dy/dx by implicit differentiation. Then find the slope of the graph at the given point.
> (a) find two explicit functions by solving the equation for y in terms of x, (b) sketch the graph of the equation and label the parts given by the corresponding explicit functions, (c) differentiate the explicit functions, and (d) find dy/dx implicitly
> Find the derivative of the function.
> (a) find two explicit functions by solving the equation for y in terms of x, (b) sketch the graph of the equation and label the parts given by the corresponding explicit functions, (c) differentiate the explicit functions, and (d) find dy/dx implicitly
> (a) find two explicit functions by solving the equation for y in terms of x, (b) sketch the graph of the equation and label the parts given by the corresponding explicit functions, (c) differentiate the explicit functions, and (d) find dy/dx implicitly
> (a)find two explicit functions by solving the equation for y in terms of x, (b) sketch the graph of the equation and label the parts given by the corresponding explicit functions, (c) differentiate the explicit functions, and (d) find dy/dx implicitly
> Find dy/dx by implicit differentiation.
> y = sin xy Find dy/dx by implicit differentiation.
> cot y = x - y Find dy/dx by implicit differentiation.
> csc x = x(1 + tan y) Find dy/dx by implicit differentiation.
> (sin πx + cos πy)2 = 2 Find dy/dx by implicit differentiation.
> sin x + 2 cos 2y = 1 Find dy/dx by implicit differentiation.
> x4y – 8xy + 3xy2 = 9 Find dy/dx by implicit differentiation.
> Find the derivative of the function.
> x3 – 3x2y + 2xy2 = 12 Find dy/dx by implicit differentiation.
> Find dy/dx by implicit differentiation.
> x3y3 – y - x = 0 Find dy/dx by implicit differentiation.
> x2y + y2x = -2 Find dy/dx by implicit differentiation.
> x3 – xy + y2 = 7 Find dy/dx by implicit differentiation.
> 2x2 + 3y3 = 64 Find dy/dx by implicit differentiation.
> x5 + y5 = 16 Find dy/dx by implicit differentiation.
> x2 - y2 = 25 Find dy/dx by implicit differentiation.
> x2 + y2 = 9 Find dy/dx by implicit differentiation.
> How is the Chain Rule applied when finding dy/dx implicitly?
> Find the derivative of the function.
> Explain when you have to use implicit differentiation to find a derivative.
> In your own words, state the guidelines for implicit differentiation.
> Describe the difference between the explicit form of a function and an implicit equation. Give an example of each.
> Let k be a fixed positive integer. The nth derivative polynomial. Find Pn (1)
> Let f(x) = q1 sin x + a2 sin 2x + ∙ ∙ ∙ + an sin nx, where a1, a2, . . ., an are real numbers and where n is a positive integer.
> Determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false. If y is a differentiable function of u, u is a differentiable function of v, and v is a differentiable function of x, then.
> Determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false. If y is a differentiable function of u, and u is a differentiable function of x, then y is a differentiable function of x..
> Determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false.
> The linear and quadratic approximations of a function f at x = a are P1 (x) = f’(a)(x - a) + f(a) and P2 (x) = ½ f’’(a)(x - a)2 + f’(a)(x - a) + f(a). (a)Find the spec
> f(t) = (9t + 2)2/3 Find the derivative of the function.
> The linear and quadratic approximations of a function f at x = a are P1 (x) = f’(a)(x - a) + f(a) and P2 (x) = ½ f’’(a)(x - a)2 + f’(a)(x - a) + f(a). (a)Find the spec
> f(x) = |sin x| Use the result of Exercise 114 to find the derivative of the function. Answer: f(x) = |sin x|
> h(x) = |x| cos x Use the result of Exercise 114 to find the derivative of the function. Answer: h(x) = |x| cos x
