If f(x) = 2x + -9, what is f(-4)?
Difficulty: Easy
About this MCQ
Easy ACT item. Correct choice: A. -17.
- A. -17 ✓
- B. -19
Why not B: “-19” is not -17.
- C. -15
Why not C: “-15” is not -17.
- D. 1
Why not D: “1” is not -17.
Correct answer
A. -17
Explanation
-17 (option A) is the accepted answer to “If f(x) = 2x + -9, what is f(-4)”. Option B (-19) is a different value from -17. Option C (-15) is a different value from -17. Option D (1) is a different value from -17. Keep -17 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Functions, ACT
Submitted by: MCQsHub Editorial