Curriculum
Pure Mathematics — Second Secondary
Unit 1: Real Functions and Curve Sketching
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Unit 2: Exponents and Logarithms
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Rational Exponents
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Rational Exponents — Lesson quiz
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The Exponential Function and Its Applications
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The Exponential Function and Its Applications — Lesson quiz
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Solving Exponential Equations
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Solving Exponential Equations — Lesson quiz
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The Inverse Function
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The Inverse Function — Lesson quiz
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The Logarithmic Function
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The Logarithmic Function — Lesson quiz
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Properties of Logarithms
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Properties of Logarithms — Lesson quiz
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Unit 3: Limits
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Unit 4: Trigonometry
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Text lesson
The Inverse Function
The Inverse Function
How to find the inverse
How to find the inverse
- We follow these steps:
- Write the function as y = f(x).
- Swap x and y.
- Solve the new equation for y, and write y = f−1(x).
- State the domain of the inverse, which is the range of the original function.
- If the original function is not one-to-one on its whole domain, we restrict its domain to a part where it is one-to-one, and then find the inverse on that part.
The Inverse Function · 3 / 7