Question

Let f(x)=x^2-12 and g(x)=9-x. Perform the composition or operation indicated.

(f/g)(-7)=??

Answer 1

\[\frac{x^2-12}{-x+9}\]

Answer 2

replace x with -7.

\[\frac{(-7)^2-12}{-(-7)+9}\]

Answer 3

Ah, so is that all I'm doing is plugging in the -7 and then doing the math for the division of the two answers?

Answer 4

\[\Huge \checkmark \]

Answer 5

So I came up with 37/16?

Answer 6

Like a boss.

Answer 7

Thank you!!!