Find the standard form of the complex number. Then represent the complex number graphically.
?

?

A. ?

?7


B. ? 

7


C. ?

?-7?


D. ?

-7?


E. None of the above

Answer: B

Mathematics

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A.

B.


C.
 
D.

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Find n(A) for the set.A = 

A. n(A) = Infinite B. n(A) = 31 C. n(A) = 30 D. n(A) = 29

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Match the correct function to the graph.

A. y = x - 1
B. y = 
C. y = 
D. y = 

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Solve.The braking distance D in feet required for a car traveling x miles per hour to stop on dry, level pavement can be approximated by D = x2. If the braking distance is 84 feet, estimate the speed of the car. If necessary, round to the nearest mile per hour.

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