If -2\le x\le5,–3\le y\le7,4\le z\le8, and w=xy-z, then the smallest value w may have is
Answer Choices
A. -14
B. -18
C. -19
D. -22
E. -23
If -2\le x\le5,–3\le y\le7,4\le z\le8, and w=xy-z, then the smallest value w may have is
Answer Choices
A. -14
B. -18
C. -19
D. -22
E. -23