If f(x) = 3x + -3, what is f(-3)?
Difficulty: Easy
About this MCQ
Easy ACT item. Correct choice: B. -12.
- A. -15
Why not A: “-15” is not -12.
- B. -12 ✓
- C. -6
Why not C: “-6” is not -12.
- D. -9
Why not D: “-9” is not -12.
Correct answer
B. -12
Explanation
-12 (option B) is the accepted answer to “If f(x) = 3x + -3, what is f(-3)”. Option A (-15) is a different value from -12. Option C (-6) is a different value from -12. Option D (-9) is a different value from -12. Keep -12 as the ACT fact for this stem.
Source: Original practice question, MCQsHub
Tags: Math, American Exams, Functions, ACT
Submitted by: MCQsHub Editorial
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