What point in the feasible region maximizes the objective function?

constraints:

⎧
⎪
⎪
⎪
⎪
⎨
⎪
⎪
⎪
⎪
⎩
x
≥
0
y
≥
0
−
x
+
3
≥
y
y
≤
1
3
x
+
1
objective function:
c

=

5
x

–

4
y

Akid's pool is cylindrical and has a radius of 5 feet and a height of 2 feet. if a cubic foot holds about 7.48 gallons of water, how many gallons of water does the kid's pool hold? 21 gallons 52.3 gallons 1,174,4 gallons 157 gallons