Round this number to the nearest tenth 4.9675

Which of the functions graphed below has a removable discontinuity?

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

Consider the first four terms of the sequence below. what is the 8th term of this sequence?