For this case we have the following function:
[tex]f(x) = 4x + 7
[/tex]
Deriving the function we have:
[tex]f '(x) = 4
[/tex]
We now evaluate the function for the value of x = 5.
We have then:
[tex]f '(5) = 4
[/tex]
Answer:
the derivative of f(x) = 4x + 7 at x = 5 is:
4
