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 - 2.1 Exercises - Page 158: 88

Answer

Q - 88 (a) F(x)=15(40- x) if 065 (b) $150, $0, $150 (c ) The fine for violating the speed limits.

Work Step by Step

Q – 88 (a) F(x)=15(40- x) if 065 (b) When x=30 F(x)=15(40- x) Now substitute the value of x to the above equation F(30)=15(40- 30) =150 When x=50 F(x)=0 Now substitute the value of x to the above equation F(50)=0 When x=75 F(x)=15(x-65) Now substitute the value of x to the above equation F(75)=15(75-65) = 150 (c ) The fine for violating the speed limits.
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