Question
Find $g \circ f$ and $f^{\circ} g$ for the given functions $f$ and $g .$$$f(x)=\frac{2}{x+1}, \quad g(x)=3 x-5$$
Step 1
This means we substitute $f(x)$ into $g(x)$ wherever we see an $x$. So we have $g(f(x)) = 3f(x) - 5$. Show more…
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