Which of the following is an arithmetic sequence? n
O
1
-1
WN
3 4.
-3 1-1
an
n
O
1
2
2
-2
3 4
-6-10
an
n
o
1
3
2
6
3
9
4.
15
an
n
1
4
O
1 4
2
14
3 4
24 32
an

The water company charges a residential customer $41 for the first 3,000 gallons of water used and $1 for every 200 gallons used over 3000 gallons. if the water bill was $58 how many gallons of water were usedanswersa 3400 gallonsb 6000 gallonsc 6400 gallons d 7000 gallons