'The temperature in Middletown Park at 6:00 AM last Sunday was 54.7 degrees Fahrenheit. The temperature was changing at a rate given by r(t) = 2.99*cos(pi(t)/12)+0.038 where t is in hours after 6:00 AM last Sunday.a) At 10:00 AM last Sunday, the temperature in the park was increasing at a rate of about ___ degrees per hour.b) From 6:00 AM to 1:00 PM last Sunday, the temperature in the park increased by ____ degrees.c) What was the temperature in the park at 1:00 PM last Sunday? d) What was the temperature in the park at 4:00 PM Last Friday (5 days later)?