Answer :
The derivative of f(x) = 5x + 9 is f'(x) = 5.
This is, it is a constant: it does not depends on x.
Then, the derivative at x = 2 (and at any value of x) is 5.
Answer: 5
This is, it is a constant: it does not depends on x.
Then, the derivative at x = 2 (and at any value of x) is 5.
Answer: 5