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marusya05 [52]
3 years ago
9

Help pleaseeeeeeeeeeeeeeeee

Mathematics
2 answers:
jok3333 [9.3K]3 years ago
6 0

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

loris [4]3 years ago
5 0

Answer:

2

Step-by-step explanation:

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