Question

f:R→R, f(x) = 2x - 3
Aratati ca $\int\limits^2_-1 {f(x)} \, dx$ =- 6

Answer 1

[tex]F(x)= \int\limits {2x-3} \, dx=2x^2:2 - 3x + C=x^2-3x + C \int\limits^2_1 {2x-3} \, dx =F(2)-F(1)=-6[/tex]