An employee at a garden center fills a water tank once a day around noon to a height of 20 inches.

The function M
models the height of the water in the tank, M(x)
, in inches, x
seconds after 12:00 p.m. on Monday as it fills.
The function T
gives the height of the water in the tank, T(x)
, in inches, x
seconds after 12:00 p.m. on Tuesday as it fills.
Here are the graphs of M
and T
.