**Problem : **

a)
*f* (2) =
?

b)
*f* (4) =
?

c)
*f* (7) =
?

d) Find an explicit definition for
*f* (*n*)
.

b) 24

c) 42

d)

**Problem : **

a)
*f* (3) =
?

b)
*f* (5) =
?

c)
*f* (6) =
?

d) Find an explicit definition for
*f* (*n*)
.

b) 32

c) 64

d)

**Problem : **

a)
*f* (2) =
?

b)
*f* (4) =
?

c)
*f* (5) =
?

d) Find an explicit definition for
*f* (*n*)
.

b) -1

c) -3

d)

**Problem : **
What is the 6^{th} number in the Fibonacci sequence?

**Problem : **
What is the 10^{th} number in the Fibonacci sequence?