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

Answer Link

Otras preguntas

The diagram shows a patio in the shape of a rectangle. The patio is 3.6m long and 3m wide. Mathew is going to cover the patio with paving slabs. Each paving sla
how are the themes and topics different
a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece
When was the battle of Hastings?
What long-term effect do you think EU membership will have on nationalism in Europe? Explain.
how are the themes and topics different
How is carbon dioxide obtained?
In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
What is a tonal collage? We learnt it in school BUT  I can't remember.
a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece