Drag the labels to the correct locations on the image each label can be use more than once but not all labels will be used.What is a domain of a function M?

Drag the labels to the correct locations on the image each label can be use more than once but not all labels will be usedWhat is a domain of a function M class=
Drag the labels to the correct locations on the image each label can be use more than once but not all labels will be usedWhat is a domain of a function M class=