F(x)=x-7 and g(x)=x^2 what is g(f(-1))

g(f(-1)) = 64

Step-by-step explanation:

First evaluate f(-1).  Since f(x) = x - 7, f(-1) = -1 - 7 = -8.

Next, use this result as the input to g(x):  g(-8) = (-8)^2 = 64

the answer is a i belaeve atleast thats what my calculator just gfave me

step-by-step explanation:

step-by-step explanation:

no, her answer is not correct.   we square the lengths of all sides and then determine whether the pythagorean theorem holds here:

9² + 15² = 306.   this is not equal to the square of the longest side ( that square being 395.   answer c is correct.