Find (f.g)(x) of the following given functions.
11. f(x) = 2x2 + 3x - 4; g(x) = 2x + 3
12. f(x) = x2-3;g(x) = 2x + 5
13. f(x) = x2 -7;g(x) = 5x + 4 + 4
14. f(x) = 12;9(x) = 2x - 4 ( g
15. f(x) = x2 + 7x -2;9(x) = x + 4