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Anonymous Anonymous
  • 29-06-2014
  • Mathematics
Answered

A function f (x)=-8x^2. What is f (-3)?

Verified Answer :

mariamikayla
mariamikayla mariamikayla
  • 29-06-2014

f(x)= -8x²

f(-3)= -8 (-3)²

f(-3)= -8 9

f(-3)= -72

Answer Link
AL2006
AL2006 AL2006
  • 30-06-2014

f(x) = -8x²

To find the value of f(-3), put -3 in place of 'x' in the definition of the function.

f(-3) = -8(-3)²

f(-3) = -8(9) = -72

Answer Link

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