alafasy114 alafasy114

03-01-2018
Mathematics

contestada

Determine the domain of the function f(x) = 2x - 4 when the range is {0, 12, 20}.
Question 11 options:

{2, 8, 12}

{0, 12, 20}

{4, 16, 24}

none of these

Respuesta :

sbcardinals sbcardinals

03-01-2018

Your answer is {2, 8, 12}. The way you get this answer is by setting the function 2x - 4 equal to 0, 12, and 20 and solve for x. Your x-values become 2, 8, and 12

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