If f(x) = 2x + -1, what is f(-2)?
Difficulty: Easy
About this MCQ
Easy SAT item. Correct choice: C. -5.
- A. 5
Why not A: “5” is not -5.
- B. -7
Why not B: “-7” is not -5.
- C. -5 ✓
- D. -3
Why not D: “-3” is not -5.
Correct answer
C. -5
Explanation
-5 (option C) is the accepted answer to “If f(x) = 2x + -1, what is f(-2)”. Option A (5) is a different value from -5. Option B (-7) is a different value from -5. Option D (-3) is a different value from -5. Keep -5 as the SAT fact for this stem.
Source: Original practice question, MCQsHub
Tags: SAT, Math, American Exams, Functions
Submitted by: MCQsHub Editorial
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