Write a System of Linear Inequalities That Has the Given $y \geq 0 , x \geq 0 , x \leq 9$

Multiple Choice

Write a system of linear inequalities that has the given graph.
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A) $y \geq 0 , x \geq 0 , x \leq 9$ , and $y + x \leq 7$
B) $y \geq 0 , x \geq 0 , x \leq 7$ , and $y + x \geq 9$
C) $x \leq 7$ , and $y + x \leq 9$
D) $y \geq 0 , x \geq 0 , x \leq 7$ , and $y + x \leq 9$