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

Verified Answer :

11-06-2014

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

Answer Link

konrad509 konrad509

11-06-2014

\(f(-3)=-8\cdot(-3)^2=-8\cdot9=-72\)

Answer Link

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