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3 years ago

If f(x)=x^3 and g(x)=2x+7, what is f[g(x)] when g(x)=11?

Mathematics

1 answer:

allsm [11]3 years ago

6 0

$f(g(x))=(2x+7)^3\\
f(11)=(2\cdot11+7)^3=29^3=24389$

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