Pict has ques

Let f and g be the functions whose graphs are shown below. 2 4 -2 r -2 g(.r) -3 (a) Find (8 . f) (3) (b) Find (f . 8 ) (-3)Find the two values of x for which the following function is undefined. x2 - 25 f ( x) = 1 - ex - 4x - 21 Enter the two values of x into the answer box below, separated with a comma