Question

If g(x) = 3x + 5, what is g-1(x)?
a. x minus 5, over 3
b. x plus 5, over 3
c. x plus 3, over 5
d. x minus 3, over 5

Answer 1

You Let y=3x+5
\[y-5=3x\]
\[x=\frac{y-5}{3}\]
\[g^{-1}(x)=\frac{y-5}{3}\]

Answer 2

so its x-5/3?

Answer 3

yes

Answer 4

Thanks!