How do I solve this problem? f(x) is a linear function, such that f(−4)=−2 and f(3)=26. Find an equation for f(x). Use the form f(x)=mx+b.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter2: Functions
Section2.4: Average Rate Of Change Of A Function
Problem 4.2E: bThe average rate of change of the linear function f(x)=3x+5 between any two points is ________.
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How do I solve this problem?

f(x) is a linear function, such that f(−4)=−2 and f(3)=26.

Find an equation for f(x). Use the form f(x)=mx+b.

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