2. A toy rocket is launched from a table 2 feet above the ground. The height of the rocket above the ground (in feet) is given by the equation h(t) = –16t2 + vt + 2, where v is the launch velocity. (a) If the rocket reached its maximum height of 38 feet above the ground at time t = 1.5 seconds, what was the launch velocity? (b) Write a function equation for h(t). (c) How long was this rocket in the air?

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Q: Example 52. x log x dx.

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