Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 7 - Functions and Graphs - Study Summary - Practice Exercises - Page 494: 11



Work Step by Step

If $y$ varies directly as $x,$ then $y=kx.$ Given $y=10, x=0.2$, we find k $ 10=k(0.2)\qquad$... divide with 0.2 $k=50$ $y=50x$
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