ahopk71 ahopk71
  • 14-06-2018
  • Mathematics
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f(x)=-x2-4 for x=-3 please help

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sqdancefan
sqdancefan sqdancefan
  • 22-06-2018
Put -3 where x is and do the arithmetic.
  F(-3) = (-3)² - 4
  = (-3)·(-3) - 4
  = 9 - 4
  = 5

F(-3) = 5
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