CPM Homework Help : CCA2 Problem 12-78

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Home > CCA2 > Chapter Ch12 > Lesson 12.1.4 > Problem 12-78

12-78.

If $f(x) = 2x^2 - 3$ and $g(x) = x + 1$ , find $f(g(x)).$

Hint:

Substitute $x + 1$ into the equation for $f(x)$ ,then simplify.

Answer:

$2x^2 + 4x - 1$

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