Question

How do you find period, amplitude, and midline of `y= -3*Cos(2x+5) -4`?

Answer 1

`pi`, `3`, `-4`

Explanation:

-4 at the end is a midline (midline -> -4)
`abs(-3)=3` --> amplitude

`2x+5=2pi`
`2x=2pi-5`
`(2pi)/2=pi` period