A traffic study was conducted on a busy street. In 15-minute intervals from 6:30 a. m. to 8:00 a. m., the number of vehides that passed a certain point in one minute was recorded in the table
below. Write an equation for the curve of best fit, then approximate the number of cars that passed
the point at 9:15 a. m.
90
X 0 15 30 45 60
y
32 48 71 80 98
75
86
81

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