Math Help - Sine Graph

1. Sine Graph

Could someone please explain to me how to do this question? I am confused on how to find the equation. I think the s. axis is 4.5? and amputude is 3.5? so y=3.5sin( ) ( ) + 4.5 but where do I go from there?......

2. Originally Posted by Dgb186
Could someone please explain to me how to do this question? I am confused on how to find the equation. I think the s. axis is 4.5? and amputude is 3.5? so y=3.5sin( ) ( ) + 4.5 but where do I go from there?......
you need to look at the scale on the vertical axis again ... every block is 1 m

amplitude is 4

period is 8

vertical shift is 5

$y = 4\sin\left(\frac{\pi}{4} t\right) + 5$