basedgod6 basedgod6

27-03-2021
Mathematics

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What is the equation of the midline of the graph of y=2cos(x/4)−3

What is the equation of the midline of the graph of y2cosx43 class=

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lynnkc2000 lynnkc2000

27-03-2021

Answer:

y = -3

Step-by-step explanation:

y=2cos(x/4)−3

range of cos α : -1 ≤ cos α ≤ 1

-2 ≤ 2cos(x/4) ≤ 2

-5 ≤ 2cos(x/4)−3 ≤ -1 (-2-3= -5 and 2-3= -1) ....Range ( 2 x Amplitude)

midline: midline of y = -1 and y = -5 y = -3

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