Lindsey is the captain of a pontoon boat. This weekend, she is taking a birthday party out for a 3-hour boat cruise. The boat's gas tank holds 30 gallons of fuel when the cruise begins, and it uses 5 gallons per hour at cruising speed. The function F(h) represents the volume of fuel, in gallons, remaining in the boat's gas tank after h hours of the cruise. What is the range of F(h)?
