If f(x) = −4x 2 + 15, then f(−3)
2 answers:
Answer:
-21
Step-by-step explanation:
f(-3) = -4(-3)² + 15 = -4(9) + 15 = -36 + 15 = -21
Answer:
f(-3) = -21
Step-by-step explanation:
f(x) = −4x²+ 15
f(-3) = -4(-3)² + 15
f(-3) = -4(9) + 15
f(-3) = -36 + 15
f(-3) = -21
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