Question

Does that make sense to you?
http://screencast.com/t/UrpKcVQspptC
http://screencast.com/t/LaQg1SExC

Answer 1

Yes, but it is wrong.

If f(x) = 2x^3 + 1 then f(-1) = -2 + 1 = -1

Answer 2

Nope

Answer 3

For a=-1 x^3 should be -1

Answer 4

So according to you, this solution is wrong? http://screencast.com/t/IyN61lAcYY

Answer 5

Probably .What was the question ?

Answer 6

You linked us to the solution part

Answer 7

That's the question: http://screencast.com/t/hhz6UbN2

Answer 8

Then that step is wrong

Answer 9

It should be -1

Answer 10

Is it sure?? Have you checked the problem?

Answer 11

yep

Answer 12

f(a)=-1

Answer 13

Yea, thats what I though, had to make sure though.

Answer 14

thought*

Answer 15

:)