mitchellladarionnam mitchellladarionnam
  • 09-06-2021
  • Mathematics
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somebody help me out

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Rinkhals
Rinkhals Rinkhals
  • 09-06-2021

Given Function : f(x) = -3x² + 3x + 7

To find out the value of f(8) : Substitute 8 in the function in place of x

⇒   f(8) = -3(8)² + 3(8) + 7

⇒   f(8) = -3(64) + 24 + 7

⇒   f(8) = -192 + 24 + 7

⇒   f(8) = -161

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