For the rational function f(x) = (4x − 1) / (x + 9) , find the following limits and identify the type of asymptote that each limit indicates.

Question

a) lim -> -9⁺

b) lim -> infinity

I do not know what my teacher wants with limit a. that is how she wrote the limit.

Answer 1

lim x → -9⁺

x approaches -9 from the positive, e.g., -8. -8.5, -8.9, -8.99, etc.

Answer 2

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