Question

Examine the explicit formula for a sequence: an=6+7(n−1).

Which sequence could be represented by this formula?

A.) {13,12,11,10}
B.) {6,13,20,27}
C.) {7,13,19,25}
D.) {6,5,4,3}

Answer 1

6 + 7( n-1)

6 + 7 n -7

-1 + 7 n

7(1) -1 = 6

7(2) -1 = 13

7(3) -1 = 20

7(4) -1= 27

B)