Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 2 - Section 2.5 - Linear Functions and Models - 2.5 Exercises - Page 195: 15

Answer

Table: The slope is 2. x y 1 -3 2 -1 3 1 4 3

Work Step by Step

Using the function f(x) = 2x-5, plug in a value of x to calculate corresponding values of y. To graph the function, plot the x and y values on a coordinate grid. In this case, as we can tell from the graph (as x increases by 1, y increases by 2) and the a value, the slope is 2.
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