Question

Please help!!!
find f o g if f(x)=2x-1 and g(x)=x+2?
i think its 2x+3 but im not sure..

Answer 1

yeap, you're correct \(\bf f(x)=2x-1\qquad \qquad g(x)=x+2\\ \quad \\
(fog)(x)\implies f(\quad g(x)\quad )=2(x+2)-1\\ \quad \\
f(\quad g(x)\quad )=2x+4-1\implies f(\quad g(x)\quad )=2x+3\)

Answer 2

Thank you!!

Answer 3

yw