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Basic Calculus/Quiz #4/February 20, 2012
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1. A ball is thown up in the air at a speed of 96 feet per second from a point
48 feet above the ground. The height in feet
s
(
t
) of the ball at time
t
seconds is given by
s
(
t
) = 48 + 96
t

16
t
2
.
(a) When does the ball reach its maximum height?
(b) What is the ball’s maximum height?
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Unformatted text preview: (c) When does the ball hit the ground? (d) How fast is the ball going when it hits the ground? 2. A cost function for producing x items is given by C ( x ) = 4000+3 x. 01 x 2 . (a) Find the marginal cost when x = 50. (b) Find the value of C (51)C (50)....
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This note was uploaded on 03/19/2012 for the course MATH 119 taught by Professor Randall during the Spring '12 term at Rutgers.
 Spring '12
 randall
 Calculus

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