Question: Problem 3 [One-to-one function] Show that the function f (x) = 3(x - 5)2 + 7 is not one-to-one. Problem 4 [Function] Let f (x)

Problem 3 [One-to-one function] Show that the function f (x) = 3(x - 5)2 + 7 is not one-to-one. Problem 4 [Function] Let f (x) = x - - (a) Calculate and simplify f (x - 4). (b) Calculate and simplify f (x) - 4. (c) Solve the equation f (x - 4) = 0 for x

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