Solve the proportion.
= 
A. x = 
B. x = 2048
C. x = 65
D. x = 
Answer: C
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In major league baseball, the distance between bases is 30 feet greater than it is in softball. The bases in major league baseball mark the corners of a square that has an area 4,500 square feet greater than for softball. Find the distance between the bases in baseball.
A. 30 ft B. 60 ft C. 45 ft D. 90 ft
Solve the equation for x, where x is restricted to the given interval.y = 3 tan 2x - 1, for x in 
A. x = 
arctan 
B. x = 
arctan (3y + 3)
C. x = 2 arctan (3y + 3)
D. x = 2 arctan 
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = 3x3 + 4x3 - x5
A. y ? ? as x ? -? and y ? -? as x ? ? B. y ? -? as x ? -? and y ? -? as x ? ? C. y ? -? as x ? -? and y ? ? as x ? ? D. y ? ? as x ? -? and y ? ? as x ? ?
Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = 3y2 - 6y + 4
A. 
opens right; vertex (1, -1);
axis of symmetry y = -1
B. 
opens left; vertex (1, 1);
axis of symmetry y = 1
C. 
opens right; vertex (1, 1);
axis of symmetry y = 1
D. 
opens right; vertex (-1, 1);
axis of symmetry y = 1