Each day, a local dog shelter spends an
average of $2.40 on food per dog. The
manager estimates the shelter's daily
expenses, assuming there is at least one dog
in the shelter, using the function E(x) = 30 +
2.40x.
Which statements regarding the function E(x)
are correct?
1. x represents the number of dogs at
the shelter per day.
II. x represents the number of
volunteers at the shelter per day.
III. 30 represents the shelter's total
expenses per day.
IV. 30 represents the shelter's nonfood
expenses per day.