Question: Need help with these please. a. If f = {(1, 4), (2, 7), (3, 1)}, determine (f . f)(3) and explain. b. If g(x) =

Need help with these please.

a. If f = {(1, 4), (2, 7), (3, 1)}, determine (f . f)(3) and explain. b. If g(x) = x and h(x) = x, determine (g . h)(x) and (h - g)(x). [Hint: (g . h)(x) # (h - g)(x)] c. Determine the domain and range of (g . h) (x) and (h . g)(x)

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