Exam 4: The Derivative in Graphing and Applications

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A rectangular lot is to be bounded by a fence on three sides and by a wall on the fourth side. Two kinds of fencing will be used with heavy duty fencing selling for $4 a foot on the side opposite the wall. The two remaining sides will use standard fencing selling for $3 a foot. What are the dimensions of the rectangular plot of greatest area that can be fenced in at a cost of $25,920?

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Approximate Approximate   by applying Newton's Method to the equation x<sup>5</sup> - 83 = 0. Use -2 for your initial value and calculate nine iterations. by applying Newton's Method to the equation x5 - 83 = 0. Use -2 for your initial value and calculate nine iterations.

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If f(x) = x(x -2)5 , find the intervals where f is concave up and where f is concave down.

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Sketch the graph of Sketch the graph of   . Find any extrema. . Find any extrema.

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Find all relative extrema of f(x) = x2/5.

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Does Does   satisfy the hypothesis of the Mean-Value Theorem over the interval [0, 1]? If so, find all values of C that satisfy the conclusion. satisfy the hypothesis of the Mean-Value Theorem over the interval [0, 1]? If so, find all values of C that satisfy the conclusion.

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Find the dimensions of the rectangle of maximum area which may be embedded in a right triangle with base of 10, height of 24, and hypotenuse of 26 feet as shown in the figure. Find the dimensions of the rectangle of maximum area which may be embedded in a right triangle with base of 10, height of 24, and hypotenuse of 26 feet as shown in the figure.

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Find all relative extrema of f(x) = (x + 4)7.

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Find the point on the parabola 2y = x2 which is closest to (12, 17).

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The infield of a 440 yard track consists of a rectangle and 2 semicircles. To what dimensions should the track be built in order to maximize the area of the rectangle? The infield of a 440 yard track consists of a rectangle and 2 semicircles. To what dimensions should the track be built in order to maximize the area of the rectangle?

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The infield of a 440 yard track consists of a rectangle and 2 semicircles. To what dimensions should the track be built in order to maximize the area of the rectangle? The infield of a 440 yard track consists of a rectangle and 2 semicircles. To what dimensions should the track be built in order to maximize the area of the rectangle?

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If f(x) = 3x4-19x3 , find the intervals where f is concave up and where f is concave down.

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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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Find the extreme values for  Find the extreme values for   on the interval (0, + \infty ) and determine where those values occur. on the interval (0, + ∞\infty ) and determine where those values occur.

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Find the relative extrema for Find the relative extrema for   . .

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Approximate Approximate   by applying Newton's Method to the equation x<sup>3</sup> + 37 = 0. by applying Newton's Method to the equation x3 + 37 = 0.

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Find the relative extrema for f(x) = 2x5 - 3x4.

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If f(x) = sin 8x (0, π\pi /4), find the intervals where f is increasing and where f is decreasing.

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The position function of a particle is given by s = t3 - 4t2 -5t for t ≥\ge 0. Find the functions for v and a.

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f(x) = x4- 12x3 has

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