Question

What is the 47th term of the arithmetic sequence with this explicit formula?

an= -11 + (n - 1)(-3)

Answer 1

-149

Explanation:

Just plug in 47

-11+(47-1)(-3)

-11+46(-3)

-11+-138

- 149

Answer 2

= -149

Explanation:

an= -11 + (n - 1)(-3)

The 47th term means n = 47

a47 = -11 + (47-1) (-3)

= -11 + 46 (-3)

= -11 -138

= -149