Question

Find a formula for h(x). Give an exact expression. Help please

Answer 1

`y=(9)/(2)\cos \left((4)/(3)x+(2\pi )/(3)\right)+(1)/(2)\\\\Or\\\\y=4.5\cos \left(1.33x+0.67\pi \right)+0.5`

Explanation:

See the attachment below.

Best Regards!