Of the 168 hours in a week, as a full time student, you should spend how many hours per week on school work?

what novel are you talking about?

the answer that is correct is the last option.

im sure you mean write *

. a function is a relation in which each input has only one output. in the relation , y is a function of x, because for each input x (1, 2, 3, or 0), there is only one output y. x is not a function of y, because the input y = 3 has multiple outputs: x = 1 and x = 2.