Question

write the first four terms of the arithmetic sequence from the given information. a[n]=3[n]

a. 1, 2, 3, 4
b. 1, 3, 6, 9
c. 0, 3, 6, 9
d. 3, 6, 9, 12

Answer 1

You mean\[a_{n} = 3n\]
??

Answer 2

yup

Answer 3

So
First term=3(1)
Second term=3(2)
and so on
Correct sequence is option 4.