Question: 1. [2 marks] The function f(x) = x4 cos(x) - x sin?(x) is (a) even (b) odd (c) neither even nor odd 2. [2 marks]
![1. [2 marks] The function f(x) = x4 cos(x) - x](https://s3.amazonaws.com/si.experts.images/answers/2024/06/666e1447b5fb2_183666e14478dbad.jpg)

1. [2 marks] The function f(x) = x4 cos(x) - x sin?(x) is (a) even (b) odd (c) neither even nor odd 2. [2 marks] If f is a periodic function of period 5, and f(x) = 2x + 1, 0
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