Solve the problem.Show that df = -  dx +  dy -  dz is exact.

What will be an ideal response?


Answers will vary.

Mathematics

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A student owned the following shares of stock: Microsoft, 247; GE, 174; and Verizon, 362. How many shares did the student own? 

A. 784 B. 783 C. 773 D. 421 E. 793

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Plot a scatter diagram.

A.


B.

C.


D.

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Solve the equation.0.33(60) + 0.80x = 0.60(60 + x)

A. {70} B. {90} C. {80} D. {40}

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Graph the pair of functions on one coordinate plane.f(x) = x2g(x) = (x + 2)2 + 7

A.

B.

C.

D.

Mathematics