Question

using the provided rule, determine if the sequence is arithmetic or geometric and generate the first 4 terms.

an= 2n-3

Answer 1

a1= 2.1 -3 = -1
a2=2.2-3 = +1
a3=2.3-3= 3
a4=2.4-3=5
here a2-a1=2
a3-a2=2
a4-a3=2
hence Arithmetic sequence...