# No one is helping me :/ ??

If y = 3 is a horizontal asymptote of a rational function, which must be true?

lim
x→ 3

lim
x→ 0
f(x) = 3

lim
x→ ∞
f(x) = 3

lim
x→ 3
f(x) = ∞

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1. Surely you don't want help from someone who doesn't know this subject!!

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Writeacher
2. Homework Posting Tips

Please be patient. All tutors are volunteers, and sometimes a tutor is not immediately available. Please be patient while waiting for a response to your question.

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Ms. Sue
3. 3 as an asymptote means that is the value that the function approaches as x goes to infinity

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