selfb237 selfb237
  • 25-05-2021
  • Mathematics
contestada

what are the amplitude period phase shift and midline for F(x)=-4cos(3x-3.14)+2

Respuesta :

s1m1
s1m1 s1m1
  • 25-05-2021

Answer:

Step-by-step explanation:

f(x) = -4cos(3x-pi) +2

compare to f(x) = A cos (B(x+C))+D

A is amplitude =4

Period is 2pi/B so period = 2pi/3

Phase shift is C so phase shift = -pi (this could be positive if it shifted to the left)

Midline is at D so midline is y=2

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