Inverse Functions

Math ⇒ Functions

Inverse Functions starts at 11 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Inverse Functions. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 11

Find the inverse of f(x) = (x - 4)/5.

Given f(x) = 4x - 7, find f⁻¹(x).

If f(x) = √(x - 1), what is the domain of f⁻¹(x)?

If f(x) = 1/(x - 2), what is f⁻¹(x)?

If f(x) = 1/(x + 2), what is the domain of f⁻¹(x)?

If f(x) = 1/x, what is f⁻¹(x)?

If f(x) = 2x - 3, and g(x) = (x + 3)/2, what is g(f(4))?

If f(x) = 2x + 1, and f⁻¹(x) = (x - 1)/2, what is f⁻¹(f(7))?

If f(x) = 2x + 1, what is the range of f⁻¹(x)?

If f(x) = 2x + 1, what is the value of f⁻¹(7)?

If f(x) = 2x + 3, find f⁻¹(x).

If f(x) = 2x + 5, and g(x) = (x - 5)/2, what is f(g(11))?

If f(x) = 3x - 2, what is the value of x such that f⁻¹(x) = 4?

If f(x) = 3x - 7, what is f⁻¹(8)?

If f(x) = 3x + 2, and f⁻¹(x) = (x - 2)/3, what is f(f⁻¹(11))?

If f(x) = 4x + 1, find f⁻¹(13).

If f(x) = 5 - x, what is f⁻¹(x)?

If f(x) = ln(x), what is f⁻¹(x)?

If f(x) = x + 5, what is f⁻¹(x)?

If f(x) = x², x ≥ 0, what is f⁻¹(x)?