r the following questions. Answers without justifying work will receive no credit 1) Find the general anti derivative of f(x) = cosx-sinx + 1 + ex + 4x 2) Given: f:f(x)dx-3. I: f(x)dx=10 and Find s(6f (x) +4g(a)dx 1: g(x)dx 8,stg(x)dx =12 Use substitution. 3) Evaluate the integral: b) 100 d sinx + 1