∑
Math
Magic
Features
Olympiad
Puzzles
Practice
Download Free
← Back to Test
Problem 15 - Olympiad
If f(x) = 2x^2 + 3x - 1, find f(-2).
A. 5
B. -3
C. -1
D. 3
Check Answer
Show Solution
Correct: C
Substituting x = -2 into the function f(x) = 2x^2 + 3x - 1 gives us f(-2) = 2(-2)^2 + 3(-2) - 1 = 2(4) - 6 - 1 = 8 - 6 - 1 = 1.