Use the Given Feasible Region Determined by the Constraint Inequalities $$f = 4 x + 3 y \text { subject to the constraints }$$

Multiple Choice

Use the given feasible region determined by the constraint inequalities to find the maximum possible value of the
objective function.
- $$f = 4 x + 3 y \text { subject to the constraints }$$

A) 28
B) 21
C) 26
D) 24