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Darina [25.2K]
3 years ago
11

Pals fast what are amplitude, period, phase shift and midline for f(x)=-4 cos (3x-pi)+2

Mathematics
1 answer:
GREYUIT [131]3 years ago
8 0

Answer:

amplitude = |-4| =4

period = 2 pi/3

phase shift = pi / 3

midline = 2

Step-by-step explanation:

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

The equation is in the form

f(x) = a cos (bx -c) +d  where |a| is the amplitude

period  is 2 pi /b

phase shift:  c/b

midline = d

amplitude = |-4| =4

period = 2 pi/3

phase shift = pi / 3

midline = 2

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