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KATRIN_1 [288]
3 years ago
5

A function f(x) s defined as f(x)=-8x^2. What is f(-3)?

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
8 0
You substitute the x in the equation -8x^2 so it would be -8(-3)^2 so the answer would be -72
Semenov [28]3 years ago
5 0
f(-3)=-8\cdot(-3)^2\\
f(-3)=-8\cdot9\\
f(-3)=-72

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