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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
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Feb 20, 2015
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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
Mathematics
middle-school
Kryptic
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Tesdal
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Feb 21, 2015
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f(-3) = -8(-3)²
= -8(9)
= -72
Hence the answer is F
Addy
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Feb 26, 2015
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