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OpenStudy (anonymous):
Let f(x) = -2x - 7 and g(x) = -4x + 3. Find (f ° g)(-5). A. 23 B. –53 C. –9 D. 3
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OpenStudy (anonymous):
What's fg(x) ?
OpenStudy (anonymous):
it's (-2x-7)(-4x+3)
OpenStudy (anonymous):
now plug -5 for x
OpenStudy (abb0t):
That means f composed of g. Meaning you plug in the function g(x) in your function and then evaluate it. So plug in -5 for x.
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