Answer:

Step-by-step explanation:
Let
y -----> gallons of water remaining in the barrel
x-----> number of minutes elapsed
we know that
Water leaks out of the barrel at a rate of 1 gallon every 10 minutes
so

The linear equation that represent this situation is

The graph in the attached figure
Lol idk.......................................................................................................
Consider the quadratic function 
and the linear function g(x) defined as


