153Ch5evenanswers - Section 5.1 8. f is not one-to-one -3 x...

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Section 5.1 8. f is not one-to-one 28. f 1 ( x ) = 3 x + 1 x 30. f 1 x () = 2 x x 4 32. f 1 x = x 2 5 46. a. The graphs intersect on the line y = x b. D = [1, 10], R = [0, 9] c. D 1 = [0, 9], R 1 = [1, 10] Section 5.2 2. x = 2 42. $4712.98 46. $597.81 Section 5.3 2. a. f is increasing, y-int = 1, and does not cross the x-axis b. f is increasing and y-int = 2, does not cross the x-axis 8. $12,037.78 Section 5.4 2. a. 5 243 log 3 = b. 4 81 1 log 3 = c. p d c = log d. x p = ) 100 ( log 7 e. x F P 2 log 3 = f. t = 2 1 log 9 . 0 4. a. 3 4 = 81 b. 4 4 = 1 256 c. v q = w d. 6 3 = 2 x 1 e. 4 5 x = p f. a 3 4 = 343 18. a. 7 b. - 6 c. 5 d. - 3 e. 8 f. 2 3 g. 5e 20. x = 3 2 22. No solution (x=-1 is extraneous) 28. x = 1 8 48. fx = Fx + 3 64. the year 2021
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This document was uploaded on 01/19/2012.

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