Question

If the instructions for a problem ask you to use the smallest possible domain to completely graph two periods of y = 5 + 3 cos 2(x - pi divided by three), what should be used for Xmin and Xmax? Explain your answer.

Answer 1

I really need help!

Answer 2

i think there are infinity ans, but you can use x:[0,2pi] , since the period is 2pi/2.

Answer 3

I'm still confused, what would the x-max be?

Answer 4

2pi

Answer 5

So then, x-min would be -2pi?

Answer 6

nope, zero, but this isn't the only ans

Answer 7

Thank you!