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Unformatted text preview: te is the distance between Ben and the light
changing at time t = 40 ?
2 2 WRITE ALL WORK IN THE EXAM BOOKLET. © 2011 The College Board.
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4 2011 AP® CALCULUS AB FREERESPONSE QUESTIONS (Form B) 6. Let g be the piecewiselinear function defined on [ 2 p , 4 p ] whose graph is given above, and
x
.
let f ( x ) = g( x )  cos
2 () (a) Find 4p Ú2 p f ( x ) dx. Show the computations that lead to your answer. (b) Find all xvalues in the open interval ( 2 p , 4 p ) for which f has a critical point.
(c) Let h( x ) = 3x Ú0 ( p3 ). g(t ) dt. Find h ¢  WRITE ALL WORK IN THE EXAM BOOKLET. END OF EXAM © 2011 The College Board.
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 Spring '13
 Mosby
 Calculus, AP Calculus

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