4. (35 Points Total) Consider the function shown below. f ( x ) =- 2x- -1 2x' + X - 3 Provide the following information or graphs. Make sure you show all work supporting your answers. a) (5 Points) List all the x -intercept(s) of f ( x) = 2x -1 If there are none, answer "None". 2x7 + X-3 Your Answer b) (5 Points) List all the y -intercept(s) of f ( x) = = 2xz -1 If there are none, answer "None". All work 2x + x-3 must be shown. Your