Exam 5: Integration

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Evaluate Evaluate

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If the velocity of a particle is given by v(t) = 3; [0, 5] the displacement is

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Evaluate Evaluate   . .

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Evaluate Evaluate   . .

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Estimate the area under the curve Estimate the area under the curve   by dividing the interval [1, 5] into 4 subintervals of equal length and constructing rectangles over the intervals. (Assume the graph goes through the midpoint of each rectangle.) by dividing the interval [1, 5] into 4 subintervals of equal length and constructing rectangles over the intervals. (Assume the graph goes through the midpoint of each rectangle.)

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Find the area under the curve Find the area under the curve   over the interval [0, 3]. over the interval [0, 3].

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A particle, initially moving at 28 ft/sec. is slowing down at the rate of 2 ft/sec2. How far will the particle travel before coming to rest?

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Find the area enclosed by Find the area enclosed by   ,   , x = 3, and x = 5. , Find the area enclosed by   ,   , x = 3, and x = 5. , x = 3, and x = 5.

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Answer true or false. For Answer true or false. For   a good choice for u is sin 7x. a good choice for u is sin 7x.

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Answer true or false. Answer true or false.

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A particle moves with a velocity of v(t) meters per second along an s-axis. Find the displacement that the particle travels during the period 0 ≤\le t ≤\le 3. v(t) = e t + 2.

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Answer true or false. Answer true or false.   is positive. is positive.

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Answer true or false. Answer true or false.   is satisfied when x* = 0 is satisfied when x* = 0

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Answer true or false. Answer true or false.

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Evaluate Evaluate   . .

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Find the average value of f(x) = x3 + 9 for 0 ≤\le x ≤\le 2 and find all values of x* described in the Mean Value Theorem for Integrals.

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Evaluate the integral by making the indicated substitution. Evaluate the integral by making the indicated substitution.   , u = 2x , u = 2x

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Find the average value of f(x) = x cos x2 for Find the average value of f(x) = x cos x<sup>2</sup> for   . .

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A particle is moving so that at any time, its acceleration is equal to 12t for t ≥\ge 0. At the end of 5 seconds, the particle has moved 375 feet. What is its velocity at the end of 3 seconds?

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Evaluate Evaluate   . .

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