# Calculus 20 MCQ's And answers..

**Tutor description**

If s = 2t2 + 5t - 8 represents the position of an object at time t, find the acceleration (s") of this object at t = 2 sec. Find the second derivative of c(x) = 9x2 + 3x - 7 In order to mimize a function f(x), one must find solutions to the equation f"(x) = 0. Find the absolute extreme values of the function R(x) = -x2 + 8x - 16, if 4 ≤ x ≤ 4 McX Corp. has annual revenues that can be modeled by the function R(n) = -0.02n2 + 520n, and costs that can be modeled by the function C(n) = 200n + 100,000. What is the company's maximum annual profit?

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