Question

Graph the function.

y =2/3 cos (x+pi/3)

Answer 1

like i was just telling another student there is a graphing program that could for you
http://www.geogebra.org/cms/en/

Answer 2

yes but i cant download it because this computer is really slow

Answer 3

@AnswerMyQuestions

Answer 4

@johnweldon1993

Answer 5

Or use this: https://www.desmos.com/calculator

Answer 6

I got A. does this look corret

Answer 7

A is shifted, but the wrong way

Answer 8

Correct*

Answer 9

when is x + pi/3 = 0?

Answer 10

Would it be C. ? since it is going the other way?

Answer 11

c does have a proper shift, yes

x+pi/3 = 0 when x=-pi/3

therefore, the usual cos(0) corresponds to cos(-pi/3) which is a shift to the left

Answer 12

Thank you @amistre64 you are a big help :)

Answer 13

good luck :)