Question

Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.

A(n) = -6 + (n - 1)(6)

Answer 1

assuming the sequence starts at n=1
to find the first number in the sequence
replace the n with 1
A(1)=-6+(1-1)(6) <---simplify to get the 1st number in the sequence

Answer 2

to find the 4th term replace n with 4
to find the 10th term replace n with 10
have fun