Question

Given the domain (-4, 0,5), what is the range for the relation y = -2x +

4?*
4
O A. (12, 4, -6)
O B. {2,4,9}
O C. (-12,-4,6}
O D. {-4, 4, 14)

Answer 1

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`y =f(x) = - 2x + 4`

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`f( - 4) = - 2( - 4) + 4`

`f( - 4) = 8 + 4`

`f( - 4) = 12`

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`f(0) = - 2(0) + 4`

`f(0) = 0 + 4`

`f(0) = 4`

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`f(5) = - 2(5) + 4`

`f(5) = - 10 + 4`

`f(5) = - 6`

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Range = { 12 , 4 , -6 }

Thus the correct answer is (( A )) .

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