If f(x)=x^2 - 12, solve for f (x+4)
1 answer:
Answer:
<h2>f(x + 4) = x² + 8x + 4</h2>
Step-by-step explanation:
Instead of x substitute (x + 4) to f(x) = x² - 12
f(x + 4) = (x + 4)² - 12 <em>use (a + b)² = a² + 2ab + b²</em>
f(x + 4) = x² + 2(x)(4) + 4² - 12
f(x + 4) = x² + 8x + 16 - 12
f(x + 4) = x² + 8x + 4
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