MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity
Problem
At 6:00 AM the air temperature at a campsite was 12∘C. By 2:00 PM it had reached 28∘C. Assuming temperature varies continuously with time, explain why there must have been a moment between 6:00 AM and 2:00 PM when the temperature was exactly 20∘C.