1). The following function represents an arithmetic sequence.

f(1)= -1.5

f(n+1)=f(n)+0.5

What isf(10)?

Enter your answer as a number, like this: 42.53

2). Use the following recursive formula to answer the question.

a1= -3/2

an= an-1 + 1/2

What isa9?

Enter your answer as a fraction, like this: 42/53

3). The following function represents an arithmetic sequence.

f(1)=2

f(n+1)= f(n) +4

What isf(10)?

Enter your answer as a number, like this: 42

4). In the arithmetic sequence{9,4,1,6,11,...}, what is the common difference?

Enter your answer as a number, like this: 42