Use implicit differentiation to find the specified derivative at the given point.Find  at the point (1, -1) for -7xy2 + 2x2y + 7x = 0.

A. - 
B.
C.
D. - 


Answer: B

Mathematics

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Use inequality notation and interval notation to describe the set. ? y is at least -4 and less than 0. ?

A. Inequality : -4 > y ? 0Interval : [-4, 0) B. Inequality : -4 ? y < 0Interval : [-4, 0) C. Inequality : -4 < y < 0Interval : (-4, 0) D. Inequality : -4 ? y < 0Interval : [-4, 0) E. Inequality : -4 < y < 0Interval : [-4, 0)

Mathematics

Write the Babylonian numeral as a Hindu-Arabic numeral.

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A. 4905
B. 4785
C. 4965
D. 1245

Mathematics

Convert the units.73 km =  m

A. 7300 m B. 0.73 m C. 0.073 m D. 73,000 m

Mathematics

Reduce the fraction to simplest form.

A.
B.
C.
D.

Mathematics