Plz help me with this. Thank you!

Which expression is equivalent to? assume x > 0 and y > 0.

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .

Pls math have no ideamultiply and simppify. 2x^2y^3z^2 • 4xy^4x^2