A potato gun is a device made out of plastic pipe that launches a potato using compressed air. They can be great fun, and even educational for physics and math, as this question illustrates. A potato

launched by a particular potato gun has a height described by h(t) 16+2 + 152t + 2. When

is the potato 282 feet in the air?

seconds on the way up and after

The potato is 282 feet in the air after

seconds on the way back down.