Write a description of the shaded region using the symbols A, B, C, ?, ?, -, and ' as needed.

A. A ? B
B. A - B
C. A' ? B'
D. (A ? B)'


Answer: C

Mathematics

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Change the order of integration and evaluate the integral.

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Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.-4 ? 1; identity

A. 4 B. 1 C. -1 D. -4

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Solve the problem.The figure shows a rectangle with two vertices on a semicircle of radius 5 and two vertices on the x-axis. Let P(x, y) be the vertex that lies in the first quadrant. Express the perimeter of the rectangle, P, as a function of x.

A. P(x) = 2x + 2
B. P(x) = 2x
C. P(x) = 4x + 2
D. P(x) = 2x + 

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Find  if  and the tangent line at  has the slope

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?

A. ?
B. ?
C. ?
D. ?
E. ?

Mathematics