Cambridge AS & A Level Mathematics
2.2, 3.2Logarithmic and exponential functions
Logarithmic and exponential functions in Cambridge AS & A Level Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic54 practice questions3 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 3.2.1Papers 2 and 3: relate logarithms to indices and use the laws of logarithms (excluding change of base).
- 3.2.2Papers 2 and 3: understand the definition, properties and graphs of eˣ and ln x as inverse functions.
- 3.2.3Papers 2 and 3: use logarithms to solve equations and inequalities in which the unknown appears in an index.
- 3.2.4Papers 2 and 3: transform a relationship to linear form with logarithms and find unknown constants from the gradient or intercept.
Lessons
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Exponential and logarithmic functions: e^x and ln x
40 min
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Laws of logarithms and equations with unknown indices
40 min
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Reducing relationships to linear form
40 min
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Sample question
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Turn Logarithmic and exponential functions into a strength.
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