Answer:
a) 77 degrees Celsius
bi) 40.45066 degrees Celsius
bii) 24.0764 degree Celsius
Explanation:
I'm assuming the temperature function is:
.
a) The initial temperature can be found by replacing t with 0.




bi) We are to replace t with 12:

Just put right hand side into the calculator as:
55*(0.913)^12+22 which should output 40.45066 approximately.
bii) We are to replace t with 36:

Putting right hand side into calculator as 55*(0.913)^36+22 gives:
24.0764 approximately.