3 years ago

Which of the following are equivalent to the function y = 4cos x - 2? Check all that apply.

2 answers:

8 0

The answer is
<span>D. y = 4cos(-x) - 2
proof
cosine is an even function, it means cos(-x) = cosx
so </span>y = 4cos(-x) - 2 = y = 4cos(x) - 2

6 0

Answer:

According to Apex, the answer is B and D.

Step-by-step explanation:

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