Find the inverse of the function.f(x) = 6x3 + 4
A. f-1(x) = 
B. Not a one-to-one function
C. f-1(x) = 
- 4
D. f-1(x) = 
Answer: A
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Find the distance between two points given their coordinates.Find the distance between points P and Q on a number line, with coordinates 2 and -4, respectively.
A. d(P, Q) = -6 B. d(P, Q) = 2 C. d(P, Q) = -2 D. d(P, Q) = 6
The following table shows the running speed R, in centimeters per second, of ants as a function of the temperature T in degrees Celsius. Explain in practical terms the meaning of the slope of the regression equation. T 25.6 30.3 32.3 34.8 R 2.16 3.18 4.89 4.77? ?
A. An increase of 1 degree in temperature results in an increase of 0.32 centimeters per second in running speed. B. An increase of 1 degree in temperature results in an increase of 0.44 centimeters per second in running speed. C. An increase of 1 degree in temperature makes the running speed 0.32 times faster. D. An increase of 1 degree in temperature makes the running speed 0.44 times faster.
Perform the indicated operation. Simplify the answer when possible.
? 
A. 
B. 5
C. 
D. 5
A traveling salesman's territory consists of the 5 cities shown on the following mileage chart. The salesman must organize a round trip that starts and ends at Louisville (his hometown) and will pass through each of the other four cities exactly once.Mileage Chart
At an average cost of 25 cents per mile, the cheapest possible trip that starts at Louisville and passes through each of the other cities exactly once would cost
A. $551.00. B. $578.25. C. $606.50. D. $541.75. E. none of these