aphillips0079 aphillips0079
  • 29-09-2016
  • Mathematics
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is f(x)=-4x squared -2x-8, concave up or down

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apologiabiology
apologiabiology apologiabiology
  • 29-09-2016
squared, so it is a parabola

leading coefieint (-4) is negative, so it opens down

it is concave down
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