Sets, Relations and Functions
Sets, relations, types of functions and inverse trigonometric functions.
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Take a full mock →Q1 · Sets, Relations and Functions · EASY
If f(x) = 2x + 3 and g(x) = x² - 1, what is the value of (f ∘ g)(2)?
Q2 · Sets, Relations and Functions · MEDIUM
Let A = {1, 2, 3, 4, 5} and R be a relation on A defined by R = {(x, y) : x + y = 6}. How many elements does R contain?
Q3 · Sets, Relations and Functions · EASY
If f(x) = 3x² - 2x + 5 and g(x) = x + 1, then the value of f(g(2)) is: