burberry904 burberry904
  • 07-08-2021
  • Mathematics
contestada

Help pleaseeeeeeeeeeeeeeeee

Help pleaseeeeeeeeeeeeeeeee class=

Respuesta :

jimrgrant1 jimrgrant1
  • 07-08-2021

Answer:

D(- 1) = 2

Step-by-step explanation:

To evaluate D(- 1), substitute x = - 1 into D(x) , that is

D(- 1) = (- 1)² - 2(- 1) - 1 = 1 + 2 - 1 = 2

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