taliajoseph300 taliajoseph300
  • 12-07-2021
  • Mathematics
contestada

A certain cosine function has an amplitude of 7. Which function rule could model this situation?

Respuesta :

AFOKE88 AFOKE88
  • 18-07-2021

Answer:

y = 7cos bx

Step-by-step explanation:

For a cosine function without pahse shift and vertical shift, but with amplitude given, it will also have period and thus , the formula for the cosine function is;

y = Acos bx

Where;

A is the amplitude

Period = 2π/b

Now, we are told that the amplitude is 7. Thus;

y = 7cos bx

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