1. Arithmetic sequences can be written using a recursive formula or an explicit formula. The formulas share some variables, but not others.
(5pts)
Recursive formula
Explicit formula
an = an- 1 +d
an = a1 + (n - 1)d
Write the variable next to its description.
the nth term of the sequence
the first term of the sequence
the common difference
the previous term of the sequence
the term number in the sequence