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The constraints of a linear programming ...

The constraints of a linear programming problem along with their graphs is shown below:
`x + 2y ge 3`
`x ge 10`
`y ge 0`

Which of the following objective functions has an optimal solution with respect to the above set of constraints?

A

Minimise `Z = x + y`

B

Minimise `Z = 0.5x + y`

C

Maximise `Z = x + y`

D

Maximise `Z = 2x + y`

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