If f(x) = 5x + -10, what is f(-2)?
Difficulty: Easy
About this MCQ
Easy ACT item. Correct choice: B. -20.
- A. -25
Why not A: “-25” is not -20.
- B. -20 ✓
- D. -15
Why not D: “-15” is not -20.
Correct answer
B. -20
Explanation
-20 (option B) is the accepted answer to “If f(x) = 5x + -10, what is f(-2)”. Option A (-25) is a different value from -20. Option D (-15) is a different value from -20. Keep -20 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Functions, ACT
Submitted by: MCQsHub Editorial