Question: 2-5 2. Let f(x) = 12 + 2x. (a) Simplify the difference quotient (4+ 2) -(4, and circle your final answer. Note: If you've complete

2-5

2. Let f(x) = 12 + 2x. (a) Simplify the difference quotient (4+ 2) -(4, and circle your final answer. Note: If you've complete simplified your answer, there should be no fractions in it. (b) Solve the equation f (?) = -1 for I. 3. On February 6, 1971, Apollo 14 astronaut Alan Shepard hit the first ever golf shot on the moon. Suppose that height of Shepard's golf ball at t seconds after impact is s(t) = 40t - 0.81t meters. Find the average (vertical) velocity of the ball on the following time intervals. (a) 0
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