Esmeralda P.

asked • 11/23/15

domain of 5x+3/3x-7

Find domain of 5x+3/3x-7

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Inactive Tutor answered • 11/23/15

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Set the bottom of the fraction equal to zero & solve for x.
 
x=7/3 is undefined since it would produce a zero in the bottom of the fraction (denominator). That means there is a vertical asymptote at x=7/3.
 
The domain is all other points.
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Inactive Tutor

In interval notation this is
D = (-∞, 7/3) U (7/3, ∞)
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11/23/15

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