Sagot :
DIRECTION. Determine whether each statement/equation/table of values or graph illustrates direct variation, inverse variation, joint variation or combined variation Write your answer on a separate sheet of paper/notebook. 1. The amount C that a family spends on carexpenses varies directly as its income I. 2. The volume V of a gas varies inversely as the pressure P on it. 3. The volume V of a prism on a square base varies jointly as the height h and the square of a side s of the base of the prism. 4. The time t required to travel is directly proportional to the temperature T and inversely proportional to the pressure P.