Texas HS Mathematical Models Question of the Day

Test your knowledge with a hand-picked multiple-choice question.

A set designer evaluates paint efficiency for foam columns. Paint needed is proportional to surface area, while foam used is proportional to volume. Let $R_0$ be the original paint-per-cubic-foot ratio. After scaling all dimensions by factor $k$, which function models the new ratio $R(k)$?

Select an answer and click Check.