Question

HElp hard question?

Answer 1

A 6 foot long snake is crawling along the corner of a room. It is
moving at a constant 2/3 foot per second while staying tucked snugly
against the corner of the room. At the moment that the snake’s head is 4
feet from the corner of the room, how fast is the distance between the
head and the tail changing?

Answer 2

\[d = \sqrt{x^{2} + (6-x)^{2}}\]