A few days ago
Rational Fuction?
Find the domain of the rational function.
1. f(x) = x / 7x-10
2. f(x) = 4x / -9 + x
Top 1 Answers
A few days ago
Favorite Answer
for these rational functions the only thing that is out of the domain is when the x makes the denominator 0. so…
1. 7x-10 =0
x=10/7
therefore domain is all real numbers except 10/7
or (-infinity, 10/7)U(10/7, infinity)
2. -9+x=0
x=9
domain is all real numbers except 9
or ( -infinity, 9)U(9, infinity)
Hope this helps.
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