Represent the shaded area in the figure group with an improper fraction.

A.
B.
C.
D.


Answer: A

Mathematics

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Solve the problem.Find the area of the region between the curve x = e13t , y = e-12t, and the x-axis from t = 0 to t = ln 9.

A. 9 B. 13 C. 8 D. 12

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Find the indicated sum of matrices. + 

A.

B.

C.

D.

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Find the derivative.y = 9x2e-x

A. 9xe-x(x + 2) B. 18xe-x(1 - x) C. 9xex(2 - x) D. 9xe-x(2 - x)

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Sketch the indicated curve or surface.Curves that represent a constant temperature are called isotherms. The temperature at a point (x, y) of a flat plate is t (°C), where t = x + y2. In two dimensions, draw the isotherms for t = -4, -1, 0, 1, 4.

What will be an ideal response?

Mathematics