APPM 1235 Midterm: appm1235fall2016exam3
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November 16, 2016: textbooks, class notes and electronic devices of any kind are not permitted. For problems #1 - #3, show your work. If a solution to any of these questions does not exist, state. Dne. (a) find all solutions: 2 x + 2 x+3. = 45 . (b) find the average rate of change of the function f (x) = 2 cos 2x . 2 from x = - /8 to x = /8, where average rate of change arc = f (b) f (a) A a (c) find the lengths of sides a and b shown in the figure to the right. b. You do not need to show work. Find tan . y x (c) evaluate cos. Remember to fully simplify your answer. (d) find the exact value of the expression: sec cot 1. 4 (e) write the expression as an algebraic expression in x for x > 0: sec sin 1 x.
