# Chapter 3 - P.S. Problem Solving - Page 308: 10d

$\frac{f(2+h)-4}{h}$

#### Work Step by Step

By using the slope formula, $m=\frac{y_2-y_1}{x_2-x_1}=\frac{f(2+h)-4}{(2+h)-2}=\frac{f(2+h)-4}{h}$

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