Question

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

A. Pi units down
B. 2 units down
C. 3 units down
D. Pi units up

Answer 1

D pi units up is correct

Answer 2

Explanation:

Alright, lets get started.

The given equation is :

`y=\pi-3cos(x-2)`

This equation can be written as :

`y=-3cos(x-2)+\pi`

When we compare this equation with standard one,
`y=acos(bx+c)+d`, we see that d is positive π.

It means the vertical displacement is π units upwards. : Answer D

Hope it will help :)