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
Answer:
stop it get some help
Step-by-step explanation:
or else marios gonna do something not so good
Answer:
x+1
Step-by-step explanation:
x * 2 -3 - x + 4 =
2x - 3 - x + 4
x - 3+4 = x+1
Answer:
for #4 a=2.9
Step-by-step explanation: