Question

Let f(x) = -4x + 7 and g(x) = 10x - 6, find f(g(x))

Answer 1

\(\bf f(x) = -4x+7 \qquad {\color{red}{ g(x)}} = 10x-6\\ \quad \\
f(\quad g(x)\quad )=-4({\color{red}{ 10x-6}})+7 \)

notice, all we're doing is INSERTING one function in the variable of the other