Use the sequence feature of a graphing calculator to evaluate the sum of the first 10 terms of the arithmetic sequence.
Round to the nearest thousandth, if necessary.
-John does 9 pushups on the first day of a 30-day month, and then increases the number of pushups by 3 pushups a day. How many pushups has he done by the end of the month?
A) 1575
B) 1620
C) 1665
D) 1566

Question

Quizplus · Accepted Answer

The first term is 9, the common difference is 3, and there are 30 terms. The sum of the first 10 terms is 1575.

Use the Sequence Feature of a Graphing Calculator to Evaluate