Answer
x= $\frac{-7}{17}$
Work Step by Step
Replace f(t) with 0.3, then solve for x.
0.3 = $\frac{2x+1}{x+1}$
0.3(x+1) = 2x+1
0.3x+0.3 = 2x+1
3x + 3 = 20x+10
-17x = 7
x= $\frac{-7}{17}$
Functions Modeling Change: A Preparation for Calculus, 5th Edition
by Connally, Eric; Hughes-Hallett, Deborah; Gleason, Andrew M.; Cheifetz, Phil C.
Published by
Wiley
ISBN 10:
1118583191
ISBN 13:
978-1-11858-319-7
Chapter 2 - Functions - 2.1 Input and Output - Exercises and Problems for Section 2.1 - Exercises and Problems - Page 75: 2
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