Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.1 - Functions - Exercises: 36

Answer

$$f(2x) = 6x-1$$ $$2f(x) = 6x-2$$

Work Step by Step

For x = 2x $f(2x) = 3(2x) - 1$ ... multiply $=6x - 1$ ________________ $f(x) = 3x - 1$ therefore $2f(x) = 2(3x-1)$ ... multiply $=6x - 2$
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