Answer
upward
Work Step by Step
If a linear function has a positive rate of change then its graph must slope upward (y increases as x increases).
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 2, Functions - Section 2.5 - Linear Functions and Models - 2.5 Exercises - Page 231: 5
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