NEED HELP ASAP! 1. For a particular area, the average temperature, y, in degrees Fahrenheit x days after January 1 is given by the function y=30sin(2π/365(x−89))+65. The average temperature of 45° occurs twice a year. Find the number of days after January 1 for each of these occurrences.

a. The average temperature is 45° 47 days January 1.

b. The average temperature is 45° both 50 days and 314 days after January 1

c. The average temperature is 45° both 47 days and 280 days after January 1.

d. The average temperature is 45° both 47 days and 314 days after January 1.