Answer:
I think there is an error in the question because
(f-g) = -4
(f-g) (7) = NO SOLUTION
Step-by-step explanation:

Check the picture below.
make sure your calculator is in Degree mode.
Answer:
A
Step-by-step explanation:
Positive 5 intercept
x then y so -4 then 1
(f+g)(x)=5x-6+x^2-4x-8
A.(f+g)(x)=x^2+x-14 is correct:)
Because when you multiply by 10, it adds a zero to the end of the number, like 12*10 = 120, so vise versa for dividing