Graph the inequality.9x2 > 25y2 - 225
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve.The weight that a horizontal beam can support varies inversely as the length of the beam. Suppose that a 2-m beam can support 770 kg. How many kilograms can a 5-m beam support?
A. 0.0032 kg B. 77 kg C. 308 kg D. 0.013 kg
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.x
- 5
- 6x
A. -54x
B. -11x
C. -54x
D. -11x
Mathematics
If possible, evaluate the expression by hand. If not, approximate the answer to the nearest hundredth.(-1)3/7
A. -1
B. 0
C. - 
D. 1
Mathematics
Find the domain and range of the inverse of the given function.f(x) = 
A. Domain and range: (-?, ?) B. Domain: (-?, ?); range: [0, ?) C. Domain: [0, ?); range: (-?, ?) D. Domain: [9, ?); range: [0, ?)
Mathematics