-8
Step-by-step explanation:
The gradient or slope of a curve y is simply the derivative of the curve at a point x. So we can proceed as follows
Evaluated at x = 2, the gradient of the slope is
f(x) + g(x) = 5x - 3 - 2x + 7
= 3x + 4
Hope this helps! If you have any questions, feel free to ask.
Answer:
x ≥ $750
b