Solve the problem.The number of cars sold by a certain automobile manufacturer, y, in a particular year can be approximated by the equation  where x represents the number of years after 1990. The number of SUVs sold by the same automobile manufacturer, y, in a particular year can be approximated by the equation  where x represents the number of years after 1990. In what year did this automobile manufacturer sell an equal number of cars and SUVs?

A. 2050
B. 2000
C. 2049
D. 2001


Answer: B

Mathematics

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Solve by the quadratic formula. If there are no real roots, say so. -  = 

A. No real solution
B. y = 
C. y = 
D. y = - , y = 

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Subtract and simplify. - 

A.
B.
C.
D.  

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Solve the system by using the inverse of the coefficient matrix.-5x + 3y = 83x - 6y = -30

A. {(-6, -2)} B. {(6, 2)} C. {(2, 6)} D. {(-2, -6)}

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Graph the hyperbola. -  = 1

A.

B.

C.

D.

Mathematics