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18-04-2020
Mathematics

contestada

Evaluate the quadratic function, f(x) = 3x2
– 4x – 9 at x = -2

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

18-04-2020

Answer:

11

Step-by-step explanation:

f(x) = 3x^2 – 4x – 9

Let x = -2

f(-2) = 3 (-2)^2 -4(-2) -9

=3(4) +8 -9

=12 +8 -9

20-9

11

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