Question:
If \( f(x) = 2x^2 - 3x + 1 \), find \( f(-1) \).
If \( f(x) = 2x^2 - 3x + 1 \), find \( f(-1) \).
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When evaluating functions, substitute the given value for the variable and follow order of operations carefully.
Updated On: Oct 4, 2025
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- 7
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The Correct Option is C
Solution and Explanation
Substitute \( x = -1 \) into the function \( f(x) = 2x^2 - 3x + 1 \):
\[
f(-1) = 2(-1)^2 - 3(-1) + 1.
\]
Calculate the square:
\[
(-1)^2 = 1,
\]
so
\[
f(-1) = 2 \times 1 - 3 \times (-1) + 1 = 2 + 3 + 1.
\]
Add the terms:
\[
2 + 3 + 1 = 6.
\]
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