Use the given type of variation and the values for the independent variable x and the dependent variable y to find the value of k, the constant of variation.

Direct 3 90 30
Inverse 3 90 ?
Direct 4 20 ?
Inverse 4 20 ?
Direct 5 50 ?

Iam unsure about what the proof is, therefore as much as wish to i can not.

Solution: beginning of the unit = - 2end of the unit = beginning of the unit + 4end of the unit = - 2 + 4end of the unit = 2final answer: therefore, aila was able to reach 2 ( insert name of unit of measurement ) at the end of the unit.hope this ! : )have a lovely day! < 3