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 :

poorni poorni
  • 11-06-2014
f(-3) = -8(-3)²
       = -8(9)
       = -72
Hence the answer is F
Answer Link
konrad509
konrad509 konrad509
  • 11-06-2014
[tex]f(-3)=-8\cdot(-3)^2=-8\cdot9=-72[/tex]
Answer Link

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