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Illusion [34]
3 years ago
5

Plz help me with this

Mathematics
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer: b) -5 ≤ y ≤ 1

<u>Step-by-step explanation:</u>

y = 3 cos (4x) - 2

     ↓                 ↓

amplitude       vertical shift

The amplitude is 3 which gives a range of -3 to 3 but there is also a shift down of 2 units so the new range is: <u>-3 - 2 =</u> -5 to <u>3 - 2 =</u> 1

-5 ≤ y ≤ 1

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