Question

evaluate the​ expression, ​(g◦​f)(3​), given the following functions.
​f(x)=x+2 and ​g(x)=x

Answer 1

$f(x) = x + 2\\g(x) = x\\(g \circ f) = g(f(x)) = x + 2\\g \circ f)(3) = 3 + 2 = 5$