Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Section 3.2 - Introduction to Functions - Exercise Set - Page 142: 87

Answer

$f(12)=15.54$, diamond production is predicted to be worth 15.54 billion dollars in 2012.

Work Step by Step

We are given that the function $f(x)=.42x+10.5$, can be used to predict diamond production (where x is the number of years after 2000). To predict diamond production in 2012, we must first find x. $2012-2000=12$ years, so $x=12$. Next, we can insert x into the function. $f(12)=.42\times12+10.5=5.04+10.5=15.54$ Thus $f(12)=15.54$ tells us that diamond production is predicted to be worth 15.54 billion dollars in 2012.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.