Question 4 [7 marks] (a) Let u(x) = cos³(2x + 1). Find functions f, g and h such that (fogoh)(x) = u(x). (2) (b) Start f
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Question 4 [7 marks] (a) Let u(x) = cos³(2x + 1). Find functions f, g and h such that (fogoh)(x) = u(x). (2) (b) Start f
Question 4 [7 marks] (a) Let u(x) = cos³(2x + 1). Find functions f, g and h such that (fogoh)(x) = u(x). (2) (b) Start from one of the standard functions and apply transformations to sketch the graph of f(x) = x² - 4x1. (2)