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OpenStudy (anonymous):
If f(x) = x2 + x and g(x) = x - 3, find f(g(7)). Can someone please explain this to me. I can't understand it.
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OpenStudy (anonymous):
find g(7) and then substitue that value into f(x)
OpenStudy (anonymous):
g(7)=4 f(4)=16+4=20 f(g(7))=20
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