Question

List the next three terms in the following sequence:

1, 9, 17, 25, 33, 41,...

Also list the number that would be the twentieth number in the sequence.
a.
49, 57, 65; 153
b.
50, 58, 64; 152
c.
49, 57, 65; 152
d.
50, 58, 64, 153

Answer 1

i think the answer would be c. 49, 57, 65, 152

Answer 2

Hello,


`a_(1)=1\\ a_(2)=9=1+8\\ a_(3)=17=1+2*8\\ a_(4)=25=1+3*8\\ a_(5)=33=1+4*8\\ a_(6)=41=1+5*8\\ a_(n+1)=1+n*8\\ a_(7)=1+6*8=49\\ a_(8)=1+7*8=57\\ a_(9)=1+8*8=65\\ a_(20)=1+8*19=153\\ Answer A`