Give the rectangular form of the complex number represented in the graph by its terminal point.Imaginary

A. -3 + 4i
B. -3 - 4i
C. -4 + 3i
D. -4 - 3i


Answer: B

Mathematics

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Find the exact area under the curve between the indicated values of x.y = x2 - 6x + 9; between x = 2 and x = 4

A.
B.
C.
D.

Mathematics

Simplify by first writing the radicals with the same index. Then multiply. ? 

A.
B.
C.
D.

Mathematics

Graph the ellipse and locate the foci.4x2 + 9y2 = 36

A. foci at (0, ) and (0, -)

B. foci at (2, 0) and (-2, 0)

C. foci at (, 0) and (-, 0)

D. foci at (, 0) and (-, 0)

Mathematics

Solve the problem.The value y of a machine (in dollars) is known to depreciate linearly with time x (measured in years from the time it was bought new). Suppose that y is related to x by the equation (a) Sketch the graph of this linear equation for 0 ? x ? 10.(b) What is the value of the machine when it is 5 years old?(c) What is the economic interpretation of the y-intercept of the graph?(d) When will the value of the machine reach the scrap value of $400??

What will be an ideal response?

Mathematics