OpenStax, Algebra and Trigonometry 2e §3.1 Functions and Function Notation · Example 5 · Algebra · Functions

Evaluating Functions at Specific Values

Evaluate $f (x) = x^{2} + 3 x - 4$ at:

ⓐ $2$
ⓑ $a$
ⓒ $a + h$
ⓓ Now evaluate $\frac{f ( a + h ) - f ( a )}{h}$

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OpenStax, Algebra and Trigonometry 2e · §3.1 Functions and Function Notation · Example 5

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