Question
Evaluating Functions Use the function to evaluate the indicated expressions and simplify.$$f(x)=x+4 ; \quad f\left(x^{2}\right),(f(x))^{2}$$
Step 1
We are asked to find $f\left(x^{2}\right)$, which means we replace $x$ in the function with $x^{2}$. So, we get $f\left(x^{2}\right)=x^{2}+4$. Show more…
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