Question

For y = 4x + 2x2 – x3, show how to find the value for y, when x = 2. Show your work

Answer 1

Just evaluate 4(2) +2(2)^2-(2)^3.
You can type that into a calculator

Answer 2

I get 8, what do you get?

Answer 3

\[y = 4(2)+2(2)^2-(2)^3 = 8\]

Answer 4

please @MathNinja_C try to tutor them and not give them the answer unless they are trying to confirm their answer with you :)

Answer 5

I did not give the full answer, they still have to show their work. Hence why I asked what they get.

Answer 6

but the thing is, they didnt respond to you , so basically you were giving them the answer

Answer 7

yeah I do it and I got 8

Answer 8

but yes math ninja and jimmy joe, you both were correct

Answer 9

it because my laptop is not working well

Answer 10

Do you understand how to show your work?

Answer 11

yeah thanks