📐 Mathematics · Relations and Functions (Class 12) · JEE

If f(x) = 3x − 2, then f(2) equals:

Answer: 4.

Correct answer: D. 4

Explanation: Substituting gives 3(2) − 2 = 4.

Concept context

Types of relations, equivalence classes, one-one and onto functions, composition, and invertible functions