Answer :
sub x values for x
0,1,2
y=3(0)+1=1
y=3(1)+1=4
y=3(2)+1=7
y=3(3)+1=10
table
x=0,1,2,3
y=1,4,7,10
0,1,2
y=3(0)+1=1
y=3(1)+1=4
y=3(2)+1=7
y=3(3)+1=10
table
x=0,1,2,3
y=1,4,7,10