Question

Which one of these equations match the graph?

Answer 1

C y = 2sin(1/3) x

Explanation:

It's a sin function since y = 0 at x = 0

The amplitude is 2

There are 2 cycles in 12π

so the period is 6π

The x coefficent is then 2π/6π = 1/3

Answer

C y = 2sin(1/3) x