Mathematics A-Level
horizontal asymptotes
What horizontal asymptotes means in Mathematics A-Level, as defined for WJEC.
Definition of horizontal asymptotes
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Reference: WJEC
As x → −∞, aˣ approaches zero from above, so the line y = 0 is a horizontal asymptote.
Topics that use horizontal asymptotes
- Exponentials and logarithms (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- ambient temperature baseline
- carrying capacity
- combining logarithms
- domain restrictions
- exponential growth
- exponential models
- fractional coefficients
- gradient and intercept
Using horizontal asymptotes in the exam
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