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
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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. 
Simplify by first writing the radicals with the same index. Then multiply.
? 
A. 
B. 
C. 
D. 
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)
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?