Exam 4: The Derivative in Graphing and Applications

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Two fences, a distance of d = 16 feet apart are to be constructed so that the first fence is a height of h = 2 feet high and the second fence is higher than the first. What is the length of the shortest pole that has one end on the ground, passing over the first fence and reaches the second fence? See figure. Two fences, a distance of d = 16 feet apart are to be constructed so that the first fence is a height of h = 2 feet high and the second fence is higher than the first. What is the length of the shortest pole that has one end on the ground, passing over the first fence and reaches the second fence? See figure.

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The function The function   has a point of inflection with an x-coordinate of has a point of inflection with an x-coordinate of

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Sketch a continuous curve y = f(x) for x > 0 if Sketch a continuous curve y = f(x) for x > 0 if   = 0, and f '(x) =   for all x > 0. Is the curve concave up or concave down?  = 0, and f '(x) = Sketch a continuous curve y = f(x) for x > 0 if   = 0, and f '(x) =   for all x > 0. Is the curve concave up or concave down?  for all x > 0. Is the curve concave up or concave down? Sketch a continuous curve y = f(x) for x > 0 if   = 0, and f '(x) =   for all x > 0. Is the curve concave up or concave down?

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Use Newton's Method to find the largest positive solution of x4 + 4x - 5 = 0. Use 4 for your initial value and calculate eight iterations.

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Find the value for which f(x) = x3 -8 on [3, 7] satisfies the Mean-Value Theorem.

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The equation, The equation,   has one real solution for   . Approximate it by Newton's Method. has one real solution for The equation,   has one real solution for   . Approximate it by Newton's Method. . Approximate it by Newton's Method.

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Does Does   satisfy the hypothesis of the Mean-Value Theorem over the interval [0, 7]? If so, find all values of C that satisfy the conclusion of the theorem. satisfy the hypothesis of the Mean-Value Theorem over the interval [0, 7]? If so, find all values of C that satisfy the conclusion of the theorem.

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Use a graphing utility to graph f(x) = Use a graphing utility to graph f(x) =   . How many points of inflection does the function have? . How many points of inflection does the function have?

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Let s(t) = sin 3t be a position function of a particle. At Let s(t) = sin 3t be a position function of a particle. At   the particle's velocity is the particle's velocity is

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Answer true or false. An object that is thrown upward and reaches a height of s(t) = 100 + 160t - 16t2 for 0 \le t \le 3. The object is highest at t = 4.

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Find the relative extreme values for Find the relative extreme values for   on the interval [-10, 10] and determine where those values occur. on the interval [-10, 10] and determine where those values occur.

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Find all relative extrema of f(x) = |x6 - 64|.

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If f(x) = 2x4 - 36x2 , find the location of any inflection points.

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The graph represents a position function. Determine what is happening to the velocity at t = 0. The graph represents a position function. Determine what is happening to the velocity at t = 0.

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Answer true or false. Answer true or false.   has an oblique asymptote. has an oblique asymptote.

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If three sides of a trapezoid are a = 8 inches long, how long should the fourth side be if the area is a maximum? [Area of a trapezoid = If three sides of a trapezoid are a = 8 inches long, how long should the fourth side be if the area is a maximum? [Area of a trapezoid =   where a and b are the lengths of the parallel sides and h = height.]  where a and b are the lengths of the parallel sides and h = height.] If three sides of a trapezoid are a = 8 inches long, how long should the fourth side be if the area is a maximum? [Area of a trapezoid =   where a and b are the lengths of the parallel sides and h = height.]

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The position function of a particle is given by  The position function of a particle is given by   for t  \ge  0. Find the functions for v and a. for t \ge 0. Find the functions for v and a.

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s(t) = 4t - 3t2, t \ge 0. The velocity function is

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Answer true or false. If the graph on the left is a position function, the graph on the right represents the corresponding velocity function. y = x2 Answer true or false. If the graph on the left is a position function, the graph on the right represents the corresponding velocity function. y = x<sup>2</sup>    Answer true or false. If the graph on the left is a position function, the graph on the right represents the corresponding velocity function. y = x<sup>2</sup>

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Find all relative extrema of f(x) = 7x2 - 28x + 9.

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