25
RCMultiple Choice

Probability and Two-Way Tables — Cumulative exam

Question 25 • Fall 24 GMS Geometry: Concepts and Connections B

Given the function f(x) = −2x2 + 4x − 7, find f(−4).

Answer
A
−55
B
−7
C
9
D
25

Explanation

Substitute −4 for x: f(−4) = −2(−4)² + 4(−4) − 7. Since (−4)² = 16, this becomes −32 − 16 − 7 = −55, so the correct choice is −55.

AI-written and checked against the verified answer.