12.3 Activity: 5 dollars

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Determine domain and range, largest open interval, and intervals which function is continuous.

Charlie tosses five coins.what is the probability that all five coins will land tails up.