The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Sets, Relations and Functions — quick quiz

3 NSEA-pattern questions on Sets, Relations and Functions. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 3

Easy

If f(x) = 2x + 3 and g(x) = x² - 1, what is the value of (f ∘ g)(2)?