Choose the equation that matches the graph.
A. 16x2 - 9y2 = 144
B. 9x2 + 16y2 = 144
C. 9x2 - 16y2 = 144
D. 16x2 + 9y2 = 144
Answer: D
Mathematics
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Graph the function.f(x) = 2-x
A. 
B. 
C. 
D. 
Mathematics
Perform the operation indicated. Simplify.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The roof of a building is in the shape of the hyperbola 
where x and y are in meters. Refer to the figure and determine the height h of the outside walls. Round to the nearest tenth when necessary.
a = b = 3 m
A. 62 m B. -56 m C. 8.6 m D. 74 m
Mathematics
The sequence is defined recursively. Write the first four terms.a1 = w; an = an-1 + U
A. U, U + w, U + 2w, U + 3w B. w, w + U, w + 2U, w + 3U C. w, U, 2U, 3U D. w, w - U, w - 2U, w - 3U
Mathematics