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F(x) = 3x/x+7, what is the domain?

F(x) = 3x/x+7, what is the domain?
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23 votes
F(x) = 3x/x+7, what is the domain?

User Meriial
by
8.1k points

1 Answer

10 votes

Answer:

All real numbers except x=-7

Explanation:

Since
x=-7 is a discontinuity in the rational function, this makes the denominator equal to 0.

User JamesHutchison
by
8.3k points
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