Unformatted text preview: of problems— 4
No calculator is allowed for these problems. 3. The functions f and g are given by f ( x ) = x and g( x ) = 6  x. Let R be the region bounded by the xaxis
and the graphs of f and g, as shown in the figure above.
(a) Find the area of R.
(b) The region R is the base of a solid. For each y, where 0 £ y £ 2, the cross section of the solid taken
perpendicular to the yaxis is a rectangle whose base lies in R and whose height is 2y. Write, but do not
evaluate, an integral expression that gives the volume of the solid.
(c) There is a point P on the graph of f at which the line tangent to the graph of f is perpendicular to the graph
of g. Find the coordinates of point P. 4. Consider a differentiable function f having domain all positive real numbers, a...
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 Spring '13
 Mosby
 Calculus, Derivative, AP Calculus, Continuous function, The College Board, AP® CALCULUS AB

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