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pochemuha
4 years ago
12

Which of the following would best represent a cosine function with an amplitude of 3, a period of pi over 2, and a midline at y

= −4?
f(x) = −4 cos 4x + 3
f(x) = 3 cos(x − pi over 2) − 4
f(x) = 4 cos(x − pi over 2) + 3
f(x) = 3 cos 4x − 4
Mathematics
2 answers:
aleksklad [387]4 years ago
8 0
The second choice is the correct answer I believe. Mid-line is always at the end so the only options you would have is the second choice and the last but you cant have your period equal to zero.
-Dominant- [34]4 years ago
4 0

Answer:

f(x) = 3 cos 4x − 4

Step-by-step explanation:


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