A ventilation fan is installed in a vertical position. As the fan rotates, the distance, in inches, between the tip of a fan bla

Question

3 years ago

15

A ventilation fan is installed in a vertical position. As the fan rotates, the distance, in inches, between the tip of a fan bla

de and the ceiling is modeled by y = Equals 6 cosine (2,000 pi x) + 11, where x is time in minutes.
How many times does the fan rotate each minute?

A 1,000
B 2,000
C 4,000
D 6,000

Mathematics

2 answers:

Vsevolod [243] · Answer 1 · 2021-11-24T14:31:12+03:00

Vsevolod [243]3 years ago

8 0

Answer:

6,000

Step-by-step explanation:

Hard to explain but basically had to mega-zoom into my graphing calculator lol

11Alexandr11 [23.1K] · Answer 2 · 2021-11-24T16:33:43+03:00

11Alexandr11 [23.1K]3 years ago

4 0

Answer:

1,000

Step-by-step explanation: