1. add: (8x - 2y) + (4x + 4y - 6)

2. subtract: (2p² + q) - (p² + q)

3. subtract and simplify: (y² - 3y - 5) - (-y² - 7y + 4)

4. add: (11a + 4b) + (a + 4b - 2)

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 .