What is the volume of the box when x=6

At which value in the domain does f(x) =0?

Its worth 10000000 points need asap if you answer correctly ill mark brainliest

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?