Joseph's teacher asked him whether the relationship between the number of hours he worked and the total amount of money he earned is linear or nonlinear.
Which would be a correct response to the teacher?
A. It is linear because Joseph earns $14 for every 4 hours he works.
OB. It is nonlinear because the amount Joseph earns doubles every 2 hours he works.
OC. It is linear because the amount Joseph earns increases by a multiple of $7 for each hour he works.
OD. It is nonlinear because the number of hours Joseph works does not increase the same amount each time.