Can you help me with these two questions thank you.

8 Consider f : ----- 7. a On the same set of axes graph y = c, y = f(c), and y = b Find (x) using variable interchange. c, the identity function. 1 c Show that (f o (f 2 3C2, 9 The graph of the function f@) is shown alongside. a Sketch the graph of y 3 1 -10 13 1 1 b State the range of f c Solve: 10 1 8 Consider f : ----- 7. a On the same set of axes graph y = c, y = f(c), and y = b Find (x) using variable interchange. c, the identity function. 1 c Show that (f o (f 2 3C2, 9 The graph of the function f@) is shown alongside. a Sketch the graph of y 3 1 -10 13 1 1 b State the range of f c Solve: 10 1