Answer:
(g - f)(x) = 3x - 33
Step-by-step explanation:
Arrange f(x)= 2x + 13 and g(x) = 5x -20 vertically as shown below:
g(x) = 5x - 20
-f(x) = -2x - 13
----------------------
7 2/3
(3, -2)
It is where the two lines on the graph intersect.
the correcet answer is A
y = -7 + 3x
