Solve the Problem $f = 2 x + 5 y$ Subject to the Following Constraints

Multiple Choice

Solve the problem.
-Find the maximum value of $f = 2 x + 5 y$ subject to the following constraints.
$$\begin{array} { l } 3 x + 2 y \leq 6 \\- 2 x + 4 y \leq 8 \\x \geq 0 \\y \geq 0\end{array}$$

A) Maximum of $\frac { 34 } { 3 }$
B) Maximum of $\frac { 49 } { 4 }$
C) Maximum of 19
D) Maximum of 10