Question

Given f(3)=5, f'(3)=1.1, g(3)=-4 and g'(3)= -1.3, find the value of (2f+g)'(3).

Answer 1

Simplify first.
(2f+g)'(3)=2f'(3)+g'(3)
Since you were given those values already, just plug in the numbers to get the answer.

Answer 2

Thanks, just what I needed! I can solve it from here.