Solve the problem.Find the x-coordinate of the vertex of a parabola having x-intercepts (0, 0) and (12, 0).
A. 6
B. 5
C. 12
D. 7
Answer: A
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Evaluate the integral.
A. 
tan-1 4x + C
B. 
tan-1 (x + 4) + C
C. 4 tan-1 
+ C
D. 
tan-1 
+ C
Find the coordinates of the vertices of the polygon in its new position. ? Original coordinates of vertices: (6, 5), (3, 2), (4, 2), (5, 2)? Shift: six units downward, two units to the left ?
A. (13, -1), (1, -4), (2, -4), (3, -4) B. (10, -1), (1, -4), (2, -4), (3, -4) C. (12, -1), (1, -4), (2, -4), (3, -4) D. (4, -1), (1, -4), (2, -4), (3, -4) E. (11, -1), (1, -4), (2, -4), (3, -4)
Find the limit.
A. 
B. 
C. 
D. Does not exist
Use the formula ? = 
to find the value of the missing variable. Give an exact answer unless otherwise indicated.? = 
radian, t = 11 sec
A. 
radians per sec
B. 
radians per sec
C. 
radians per sec
D. 
radian per sec