Minimize $c = 4 x + 7 y$ Subject To $\begin{array} { l } 8 x + 3 y \geq 30 \\2 x + 3 y \geq 12 \\x \geq 0 , y \geq 0\end{array}$

question 76

Multiple Choice

Minimize $c = 4 x + 7 y$
Subject to
$\begin{array} { l } 8 x + 3 y \geq 30 \\2 x + 3 y \geq 12 \\x \geq 0 , y \geq 0\end{array}$

• A) \(c = 24\) , \(x = 6\) , \(y = 0\)
• B) \(c = 21\) , \(x = 0\) , \(y = 3\)
• C) \(c = 6\) , \(x = 3\) , \(y = 0\)
• D) \(c = 42\) , \(x = 0\) , \(y = 6\)
• E) no solution

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Definitions:

Manual Motor Starters

Devices designed to manually switch on and off motors while providing overload protection to prevent motor damage.

Motor Starters

Devices engineered to control the electrical current for starting and stopping motors to protect them from damage.

Contactor Unit

A contactor unit is an electromechanical switch used for switching an electrical power circuit, similar to a relay but with higher current ratings.

Overload Unit

An overload unit is a device or component in an electric motor or circuit designed to protect against excessive current load that could cause overheating or damage.