## AutumnMaybury 2 years ago if f(x)=x^2-2x+4, find f(-3x)

1. hba

Just plug in -3x in place of x :)

2. hba

@AutumnMaybury Start working :)

3. AutumnMaybury

4. hba

@AutumnMaybury What ?

5. AutumnMaybury

i got one for the answer

6. hba

7. AutumnMaybury

f(x)=-3^2-2(-3)+4

8. hba

Its not -3,It's -3x

9. hba

See the question you provided us

10. AutumnMaybury

but you said put -3 in for x..... *confused*

11. hba

I said put '-3x' in place of x

12. AutumnMaybury

ok sorry rewriting now

13. hba

Ok :)

14. AutumnMaybury

3x+4

15. hba

16. AutumnMaybury

|dw:1357830860437:dw|

17. hba

Well lemme show you something \[\huge\ (-3x)^2=(-3)^2(x)^2=9x^2\]

18. AutumnMaybury

19. hba

It would be x^2 not x

20. hba

I mean to say the first one my bad.

21. hba

f(x)=9x^2-6x+4

22. AutumnMaybury

but 9x-6x does equal 3x-4

23. hba

It would be 9x^2 not 9x.

24. AutumnMaybury

is the 9 the only one squareD? the 6x isnt?

25. hba

No.

26. hba

The 6x is not.

27. hba

I have showed you above in latex.

28. AutumnMaybury

ok thank you

29. hba

|dw:1357831302413:dw|

30. AutumnMaybury

closing out of this question anddddd askingg a neww onee

31. hba

Okay :)