Answer the following questions for each table.
(a) Is the change in the inputs x the same?
(b) Is the change in the outputs y the same?
(c) Is the function linear?
1.
x .......................................... y
11 ........................................ 3.2
26 ........................................ 5.7
41 ........................................ 8.2
56 ........................................ 9.3
71 ....................................... 11.3
86 ....................................... 13.7
101 ..................................... 19.1
2.
x ............................................ y
20 ........................................ 12.4
30 ........................................ 24.8
40 ........................................ 49.6
50 ........................................ 99.2
60 ....................................... 198.4
70 ........................................ 396.8
80......................................... 793.6
3.
x ............................................. y
11............................................-8
26 ........................................ -12
41 ......................................... -16
56 ......................................... -20
71 ........................................ -24
86 ......................................... -28
101.........................................-32