3. Write an explicit formula for the sequence -3, 1, 5, 9,...
Oan= -3 + 4(n − 1)
Oan= -3 + 4n
Oan= -3 + (n - 1)
an = -3 + 4(n + 1)

4. Suppose you drop a tennis ball from a height of 8 feet. after the ball hits the floor it rebounds to 80% of its previous height. how high will the ball rebound after its third bounce? round to the nearest 10th.
A.)3.3 feet
B.)4.1 feet
C.)5.1 feet
D.)1 feet

6. Is the sequence arithmetic? if so, identify the common difference.
17, 22, 33, 46,...
A.) yes;5
B.) no
C.) yes;-5
D.) yes;11

7.) What is the 12th item of the sequence 15, 11, 7, ...?
A.)-29
B.)-25
C.)-21
D.)-33

8. Find the missing term of the arithmetic sequence 24,__, 36, ... .
A.) 34
B.)30
C.)42
D.)20