Write a system of inequalities whose solution set is the region shown.
A. x ? 0, x ? 4, y ? 0, y ? x + 7
B. x ? 0, y ? 4, y ? 0, y ? -x + 7
C. x ? 0, x ? 4, y ? 0, y ? -x + 4
D. x ? 0, x ? 4, y ? 0, y ? -x + 7
Answer: D
Mathematics
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? 
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