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Unformatted text preview: 8.) Evaluate and simplify completely. If q(x) = x 2 – 3, find (a) q(5) (b) q(a) (c) q(a) – q(5) (d) q(a  5) 9.) Find the domain and range of the following functions. (a) f(x) = √5  x (b) g(x) = __1__ 3 + 2x 10.) Graph the following piecewise defined function: x + 1 for x ≤ 2 f(x) = x for x > 2 11.) If the rate of change of a function are increasing as we move from left to right on the xaxis, is the function concave up or concave down? If the rate of change of a function are decreasing as we move from left to right on the xaxis, is the function concave up or concave down? 12.) Are the following functions concave up or concave down? WHY? x 1 2 3__ f(x) 3.5 7 11.5 17 t 0.5 1.0 1.5 2.0_ d(t) 3 6 5 13.)...
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 Fall '08
 Staff
 Math, Derivative, Convex function, piecewise defined function

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