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rk: 7.1 HW - Systems of Question 8, 4.5.49 HV k 7.1 HW - Systems of wations in Variab Question 8, 4-5.49 poi Part 1
k 7.1 HW - Systems of wations in Variab Question 8, 4-5.49 poi Part 1 of 4 st Determine the amplitude, period, and phase shift of the functiom Graph the function. : y = 5 cos (4x + 21t) The amplitude is (Simplify your answer.)
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