Question

Just the answer please.
1: http://imgur.com/bMgcsWR

2: http://imgur.com/yJKOqe2

Answer 1

Answer on Question #58629 – Math – Trigonometry

Question

Which of the following functions illustrates a phase shift?

$$y = 1 + \sin x$$ $$y = 3 \cos 4 x$$ $$y = -2 - \cos(x - \pi)$$ $$y = \tan 2 x$$

Answer: $y = -2 - \cos(x - \pi)$.

Question

Which function has the graph shown?

$$y = \tan 2 x$$ $$y = -2 - \cos(x - \pi)$$ $$y = 1 + \sin x$$ $$y = 3 \cos 4 x$$

Answer: $y = 3 \cos(4x)$.

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