If the derivative of f(6)=0, which of the following must be true? Your
a. f(6.5)-f(5.5)=0
b. f(x) is continuous at x=0
c. f(x) is continuous ay x=6
d. f(7)-f(5)=0

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Aflagpole broke in a storm. 77 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 2424 24 meters away horizontally

20 points - ! gia decides to buy square tiles to cover her kitchen floor. the tiles are 18” square tiles and cost $3.85 each. how much will it cost to tile her kitchen if the measurements are 11’ x 12’?