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12 July, 12:26

What is the range of y = - 3sin (x) - 4? all real numbers all real numbers all real numbers all real numbers?

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  1. 12 July, 12:38
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    Minimum value of sin x is - 1.

    For sin = - 1, y = - 3 * (-1) - 4=-1

    Maximum value of sin x is 1.

    For sin = 1, y = - 3 * (1) - 4=-7

    So range of this function = [-7,-1], or it can be written as - 7≤x≤-1
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