Answer:
C.
Step-by-step explanation:

Answer:
The solutions are
and 
Step-by-step explanation:
we have

Divide by
both sides
------> 
we know that
The formula to solve a quadratic equation of the form
is equal to

in this problem we have

so

substitute






Answer:
F-1(x)=x+8
Step-by-step explanation:
What is the inverse of y=r? + 8?
I hope this help.