alueke2 alueke2

03-11-2019
Mathematics

contestada

find f(-2) if f(x)=-x^3+2x^2+x-1

Respuesta :

jimrgrant1 jimrgrant1

03-11-2019

Answer:

f(- 2) = 13

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x)

f(- 2) = - (- 2)³ + 2(- 2)² + (- 2) - 1

= - (- 8) + 2(4) - 2 - 1 = 8 + 8 - 2 - 1 = 13

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