Asked by namjesus

The table shows how much a carpenter charges for work. Is the relationship shown by the data in the table linear or nonlinear?
1 25
2 40
3 60
4 80
I think it is linear, but can you check my work?
Answered by oobleck
nonlinear.
why?
Answered by henry2,
non-linear , because the increase between steps is not equal:
25+15 = 40
40+15 = 55
55+15 = 70
70+15 = 85
The data above is required for linearity.

























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