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3 January, 14:21

Which of the following would best represent a sine function with an amplitude of 7, a period of pi over 4, and a midline at y = 3?

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  1. 3 January, 15:47
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    We are given with

    sine function

    amplitude = 7

    period = π/4

    midline, y = 3

    The function would have the equation

    y = 7 sin 8x + 3

    The amplitude is written before the sin function

    b = 2π / T = 2π / (π/4)

    b = 8

    And there is a vertical shift of 3 that is why we add 3
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