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1. |
If 7x3 + 3y3 + 4x2 + 6x = 100, then (dy/dx)(2, 4) is |
A. | \(-\frac{55}{72}\) |
B. | \(-\frac{53}{72}\) |
C. | \(-\frac{59}{72}\) |
D. | \(-\frac{61}{72}\) |
Answer» C. \(-\frac{59}{72}\) | |