### Home > CALC > Chapter 7 > Lesson 7.2.1 > Problem 7-66

7-66.

In the function *y* = *kx*, *y* is directly proportional to *x*.

Amount of water in bucket: *w*(*t*)

7-66.

In the function *y* = *kx*, *y* is directly proportional to *x*.

Amount of water in bucket: *w*(*t*)