Solve the equation.log5(x + 3) = 1
A. {-2}
B. {2}
C. {8}
D. {4}
Answer: B
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Find the volume of the solid generated by revolving the region about the given line.The region in the first quadrant bounded above by the line y = 1, below by the curve 
and on the left by the y-axis, about the line y = 1
A. 
+ 3
B. 
- 
C. 
- 
D. 
+ 
Solve. Clear decimals first.30.8y - 215.6 = 46.2y - 323.4
A. -14 B. 7 C. -7 D. 14
The following data show the population N, in thousands, and the average driving time D, in minutes, of residents traveling to work. City Los Angeles Pittsburgh Washington Nashville Tallahassee N 6,560 1,855 1,870 367 48 D 16.8 12.8 14.3 10.2 8? A: Use power regression to model the driving time as a function of the population. Use two digits of accuracy for the coefficient and for the power.B: Plot the data along with the power model you found in part A.C: According to the power model, if the population is increased by 15%, how is the driving time affected? Express your answer in terms of a percentage. Round your answer to two decimal places.
What will be an ideal response?
Solve.How long will it take for the population of a certain country to triple if its annual growth rate is 6.6%? Round to the nearest year.
A. 2 yr B. 17 yr C. 8 yr D. 46 yr