EBK PEARSON ETEXT PRECALCULUS -- ACCESS
EBK PEARSON ETEXT PRECALCULUS -- ACCESS
11th Edition
ISBN: 9780136845881
Author: Sullivan
Publisher: VST
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Chapter B.3, Problem 6E
To determine

The approximate value of the smaller of the two x-intercepts of the function y=2x24x1, and round the answer to two decimal places.

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2. We want to find the inverse of f(x) = (x+3)² a. On the graph at right, sketch f(x). (Hint: use what you know about transformations!) (2 points) b. What domain should we choose to get only the part of f (x) that is one- to-one and non-decreasing? Give your answer in inequality notation. (2 points) - c. Now use algebra to find f¯¹ (x). (2 points) -4- 3- 2 1 -4 -3 -2 -1 0 1 -1- -2- --3- -4 -N- 2 3 4
1. Suppose f(x) = 2 4 == x+3 and g(x) = ½-½. Find and fully simplify ƒ(g(x)). Be sure to show all x your work, write neatly so your work is easy to follow, and connect your expressions with equals signs. (4 points)
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