Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 4x2 + 9y2; 0 ? x ? 1, 0 ? y ? 1

A.
B.
C.
D.


Answer: C

Mathematics

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Express the integrand as a sum of partial fractions and evaluate the integral.dx

A. -  -  + C
B. 2 ln  -  -  + C
C.  -  + C
D.  -  -  + C

Mathematics

For the given value of x, determine the value of y that gives a solution to the given linear equation in two unknowns.1.4y - 1.2x = -4.44; x = 0.2

A. -0.2 B. -0.4 C. -3.0 D. 3.0

Mathematics

Solve the problem.Which of the following vectors is parallel to v = -10i - 8j?

A. w = -20i + 25j B. w = 3i - 5j C. w = 20i + 16j D. w = 4i + 4j

Mathematics

Solve the application using the percent equation. Answer with a complete sentence.A company's profit amounted to 5% of its sales. If the profits were $2 million, then what were the company's sales?

A. The company's sales were $42 million. B. The company's sales were $40 million. C. The company's sales were $41 million. D. The company's sales were $38 million.

Mathematics