Solve using matrices.  x + y = 4

A. (8, 4, 11)
B. (0, 4, 6)
C. (0, -4, 3)
D. (0, 4, 3)


Answer: D

Mathematics

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Sketch D and g(D) from the description of D and change of variables x = u + v, y = 2u - v where D is the rectangle 0 ? u ? 1, -1 ? v ? 1?

A.

?

B. None of these.
C.
?

D.
?

Mathematics

Evaluate the line integral of f(x,y) along the curve C.f(x,y) = 4y2, C: y = e-x, 0 ? x ? 3

A.
B.
C. [2 - (e- 6 + 1)3/2]
D. 2[2 - (e- 6 + 1)3/2]

Mathematics

Match the graph with its exponential function.



a.
b.
c.
d.

Mathematics

Decide whether the statement is true or false.If the radius of a right circular cylinder is tripled and the height is left unchanged, the volume is tripled.

A. True B. False

Mathematics