Question

f(x) = 12 over the quantity of 4 x + 2 Find f(-1)

Answer 1

\(\bf f({\color{red}{ x}})=\cfrac{12}{4{\color{red}{ x}}+2}\qquad \qquad f({\color{red}{ -1}})=\cfrac{12}{4({\color{red}{ -1}})+2}\)