EstelleScherping508 EstelleScherping508

11-06-2014
Mathematics

Answered

A function f(x) is defined as f(x) = −8x^2. What is f(−3) ?
F.−72
G. 72
H. 192
J.−576
K. 576

Answer :

11-06-2014

f(-3) = -8(-3)²
= -8(9)
= -72
Hence the answer is F

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konrad509 konrad509

11-06-2014

[tex]f(-3)=-8\cdot(-3)^2=-8\cdot9=-72[/tex]

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