Question

What is the horizontal displacement of the basic graph to produce a graph of y=pi-3cos(x-2)?

A. 2 unit’s right
B. 2 units left
C. 3 units left
D. pi units right

I think it is either A. 2 unit’s right or B. 2 units left just not sure?

Please explain answer. Thank you!

Answer 1

x-2=0
when x=?

Answer 2

if x=positive, you should think right
if x=negative, you should think left

Answer 3

The answer is A. 2 unit’s right