Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = - 
, x ? 0
A. f-1(x) = 
B. f-1(x) = - 
C. f-1(x) = -4x
D. f-1(x) = - 
Answer: B
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The following table shows the velocity V, in meters per second, of a rock t seconds after it is thrown downward near the surface of Venus. Round your answer to two decimal places, if necessary. t 3 6 9 12 V 51 77.49 103.98 130.47? A: Complete a table of changes to show that the data are linear.B: Find a linear model for the data.C: Explain in practical terms the meaning of the initial value of the linear function you found in part B.
What will be an ideal response?
Find the amount paid by each insurance company. Assume that any coinsurance requirement is met.Insurance loss: $48,000Company A coverage: $180,000Company B coverage: $20,000
A. A pays: $36,000 B pays: $12,000 B. A pays: $48,000 B pays: $0 C. A pays: $43,200 B pays: $4800 D. A pays: $24,000 B pays: $24,000
Find the magnitude of the vector.
; G(-1, -6), H(9, 3)
A. 
B. 181
C. 
D. 19
Given that the pair of triangles is similar, find the length of the side labeled n. Round your results to 1 decimal place, if necessary.
A. 15 B. 0.6 C. 1.7 D. 385.1