Question 3 The graph of the trigonometric function $y = 2 \cos(\frac{1}{2}x)$ is shown below. YA 2 -4 4 0 -6 -2 2 6 x -2 The function is: odd (that is, f(-x) = -f(x) for all x). even (that is, f(x) = f(-x) for all x). None of the other choices neither even nor odd. vertically translated 2 units up Question 4 2 pts 2 pts
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In other words, if f(x) is odd, then f(-x) = -f(x) for all x. The properties of an even function are that it is symmetric with respect to the y-axis, meaning that if you reflect the graph across the y-axis, it will look the same. In other words, if f(x) is even, Show more…
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