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Given that X  : R R is defined by x = \(\f...

Given that X  : R R is defined by x = y+15y , y R, find the domain of x

A.

{y : y R, y 0}

B.

{y : y R, y 1}

C.

{y : y R, y 5}

D.

{y : y R, y 7}

Correct answer is C

No explanation has been provided for this answer.