Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
An infinite limit occurs when a function approaches positive or negative infinity as x approaches a certain value. This means that as x gets closer to that value, f(x) grows without bound.
Related terms
Vertical Asymptote: A vertical asymptote is a vertical line that a graph approaches but never touches or crosses.
Horizontal Asymptote: A horizontal asymptote is a horizontal line that a graph approaches as x goes to positive or negative infinity.
Exponential Growth/Decay: Exponential growth refers to situations where something increases rapidly over time, while exponential decay refers to situations where something decreases rapidly over time. Both involve functions with infinite limits.