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31 July, 06:41

What is the domain of the function y=-4x-1 when the range is - 25

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  1. 31 July, 07:54
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    y = - 4x - 1

    It is a linear function different from the constant function. Therefore, if the range is only one number, then the domain is only one number too.

    Let's calculate it:

    y = - 25 → - 4x - 1 = - 25 |add 1 to both sides

    -4x = - 24 |divide both sides by (-4)

    x = 6

    Answer: The domain = {6}.
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