Solve the problem.A radio telescope has a parabolic surface. If it is 1 meters deep and 
wide, how far is the focus from the vertex?
A. 36 m
B. 1 m
C. 3 m
D. 9 m
Answer: D
Mathematics
You might also like to view...
Sketch the surface z = f(x,y).f(x, y) = 1 - 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations, expressing the answer in simplest form with rationalized denominators.
A. 
- 
B. 
C. 
D. 
Mathematics
Divide.
A. 0.9 B. 19 C. 1.9 D. 9
Mathematics
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies inversely with x. When x = 7, then y = 9.
A. k = 
; y = 
x
B. k = 63; y = 
C. k = 
; y = 
x
D. k = 56; y = 
Mathematics