Question

Use the explicit formula an = a1 + (n - 1) • d to find the 1,000th term of the sequence below.

Answer 1

An = a1 + (n - 1)d, n=1000, a1=24, d=38-31=7  substitute
a(1000) = 24 + (1000 - 1)*7=24+999*7=7017

Answer 2

A1000=24+(1000-1)•7
a1000=7017