How do I solve this problem?

a ) Boiling a pan since 12 noon. Pan was 60'F. At 12:05 pm, pan was 75. F. From experience, you know from here that every minute that passes by, the temp. increases by 6 F. Write an approximation for what the F of the pan will be by 12:10 pm . b) Based on the graph below. was your answer in a) an over or under - estimation? "F 100+ 70-+ 60+ 10 mins