Find the vertex, focus, and directrix of the parabola with the given equation.(x - 1)2 = 20(y - 3)
A. vertex: (-1, -3)
focus: (-1, 2)
directrix: y = -8
B. vertex: (3, 1)
focus: (3, 6)
directrix: y = -4
C. vertex: (1, 3)
focus: (1, -2)
directrix: x = 8
D. vertex: (1, 3)
focus: (1, 8)
directrix: y = -2
Answer: D
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A. -44 B. 36 C. -60 D. -12
The body surface area B of an 80-kilogram man depends on his height h measured in meters. The value of the power in this function is 
. If the body surface area is multiplied by 1.03, how is the height affected? Round your answer to two decimal places if necessary.
?
A. Height is multiplied by 1.01. B. Height is multiplied by 1.5. C. Height is multiplied by 1.23. D. Height is multiplied by 1.06.
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Plot the points. Then determine whether the points are collinear.A(3, 5), B(1, 0), C(-3, -6), D(-1, -1)
A. 
The points are collinear
B. 
The points are collinear
C. 
The points are not collinear
D. 
The points are not collinear