Answer
See 3 equations
Work Step by Step
a) directly: $y=kx$
b) inversely: $y=k/x$
c) jointly (with x and y): $z=kxy$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter 1, Equations and Graphs - Chapter 1 Review - Concept Check - Page 169: 23
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