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. \(-\frac{59}{72}\)


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