David Longshot is known for his long golf drives. At the driving range he hit a golf ball 250 yards and estimated that the ball reached a maximum height of 15 yards.
a. Use a quadratic function to model the path of the golf ball.

You have $600,000 saved for retirement. your account earns 5.5% interest. how much, to the nearest dollar, will you be able to pull out each month, if you want to be able to take withdrawals for 20 years?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

Which of the functions graphed below has a removable discontinuity?