The equation of a hyperbola is given. Match the equation with its graph.25x2 - 9y2 = 225
A. 
B. 
C. 
D. 
Answer: B
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Solve the problem.Dombro Construction Company needs to cut an arch for the top of a doorway. The arch needs to be 6 feet wide and 2 feet high. The arch will be a section of a circle, drawn using a stretched string with a pencil attached at the end as a compass. Using the coordinate system as shown in the drawing, find the y-coordinate of the point on the y-axis that would be the center of the circle. Round to the hundredths place.
?a = 3
A. -1.25 B. 1.09 C. 12.5 D. 1.39
Give the specific equation relating the variables after evaluating the constant of proportionality for the given set of values.v is proportional to s and inversely proportional to the cube of r, and v = 12 when s = 3 and r = 2.
A. v = 
B. v = 32sr3
C. v = 
sr3
D. v = 
The function f is one-to-one. Find its inverse.f(x) = x2 + 2, x ? 0
A. f-1(x) = 
- 2, x ? 0
B. f-1(x) = 
, x ? 2
C. f-1(x) = 
, x ? -2
D. f-1(x) = 
- 2, x < 0
Sketch a vector v that models the given situation and express v as 
. A force of 34 pounds pushing downup
down
A.
v =  |
B.
v =  |
C.
v =  |
D.
v =  |
