11 6 25 .) If [ f ( x ) dx =- 3 and f (u) du =15, f (x) is an even function (symmetric to the y-axis), find the following: O N N a. If ( x ) dx b. [f (x) dx C. [-f (x) dx d. [3f ( x ) dx e. If ( 3x) dx -2 -2 -2 0 26.) If [ f ( x ) dx = 11 0 3 and | f(u) du =15, f (x) is an odd function (symmetric to the origin), find the following: 0 N a. If ( x ) dx b. [f (x) dx C. [-f (x) dx d. [3f ( x) dx e. [f ( 3x) dx -2 -2 -2