Find an equation of the parabola described.Focus at (3, 0); vertex at (0, 0)
A. y2 = 12x
B. x2 = 12y
C. x2 = 3y
D. y2 = 3x
Answer: A
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Solve the problem.If the population of the United States increased to 380 million and the number of representatives remained at 435, how many Americans, on average, would each representative serve?
A. 873,563 people per representative B. 862,569 people per representative C. 1,144,737 people per representative D. 165,300 people per representative
Integrate the function.
A. 
tan3 x + C
B. - 
tan3 x + C
C. 8(sec x + tan x)5+ C
D. 8 tan x + 
tan3 x + C
Solve the problem. Write ratios in simplest form.A baseball team has played 9 games so far this season. The team won 7 games. Find the ratio of games lost to games won.
A. 
B. 
C. 
D. 
Solve the system of linear equations using matrices.
A. (16, 22)
B. ?
C. {(x, y) 
}
D. (20, 7)