Find an equation of variation in which the following are true.y varies directly as x and inversely as z, and y = 18 when x = 2 and z = 7.
A. y = 
B. y = 
C. y = 66xz
D. y = 
Answer: B
Mathematics
You might also like to view...
Sketch the level curve z = k for the indicated values of k.z = 
, k = 1, 2, 4
A. 
B. 
C. 
D. 
Mathematics
Determine if the infinite geometric series converges or diverges. If the series converges, find its sum.-6 - 2 - 
- . . .
A. converges, - 9
B. converges, - 
C. converges, 3
D. diverges
Mathematics
Find the center and radius of the circle.(x + 3)2 + y2 = 49
A. Center: (3, 0), radius = 7 B. Center: (0, -3), radius = 7 C. Center: (-3, 0), radius = 7 D. Center: (-3, 0), radius = 49
Mathematics
Determine whether the infinite geometric series has a limit. If a limit exists, find it.2 - 3 + 
- . . .
A. 
B. 3
C. 0
D. No limit
Mathematics