Use implicit differentiation to find dy/dx.cos xy + x7 = y7

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.By switching service providers, a family's telephone bill decreased from about  a month to about $43. By what percent did the monthly bill decrease?

A. 15%
B.

7%

C. 16.3%
D. 14%

Mathematics

Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.36 L =  pt

A. 86.4 pt B. 68.1 pt C. 76.3 pt D. 32.7 pt

Mathematics

Use the appropriate form of the percentage formula. Round division to the nearest hundredth if necessary.0.79% of what number is 23

A. 3.43 B. 343 C. 2911.39 D. 29,113.9

Mathematics

The graph of a quadratic function is given. Choose the function's equation.

A. f(x) = x2 - 2x + 1 B. f(x) = x2 - 1 C. f(x) = x2 + 2x + 1 D. f(x) = x2 + 1

Mathematics