If f(x) = 2x + 6, what is f(4)?
Difficulty: Easy
About this MCQ
Easy ACT item. Correct choice: C. 14.
- A. 12
Why not A: “12” is not 14.
- B. 2
Why not B: “2” is not 14.
- C. 14 ✓
- D. 16
Why not D: “16” is not 14.
Correct answer
C. 14
Explanation
14 (option C) is the accepted answer to “If f(x) = 2x + 6, what is f(4)”. Option A (12) is a different value from 14. Option B (2) is a different value from 14. Option D (16) is a different value from 14. Keep 14 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Functions, ACT
Submitted by: MCQsHub Editorial