Solve the problem.In Country X, the average hourly wage in dollars from 1945 to 1995 can be modeled by f(x) = 
Use f to estimate the average hourly wages in 1950, 1970, and 1990.
A. $3.42, $0.34, $6.75
B. $0.73, $3.03, $6.75
C. $0.73, $2.27, $6.75
Answer: B
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Solve.A substance has a melting point of 575°K. At what Celsius and Fahrenheit temperatures would this substance melt? Round to the nearest hundredth.
A. 575.33°C, 301.85°F B. 302°C, 149.92°F C. 301.85°C, 575.33°F D. 848.15°C, 511.33°F
Solve the problem.Strontium 90 decays at a constant rate of 2.44% per year. Therefore, the equation for the amount P of strontium 90 after t years is P = P0 e-0.0244t. How long will it take for 15 grams of strontium to decay to 5 grams? Round answer to 2 decimal places.
A. 40.50 years B. 45.03 years. C. 4.50 years D. 450.25 years
Indicate whether the statement is true or false.If one inequality in a system of two linear inequalities contains the "<" symbol and the other contains the ">" symbol, the graph of the system will have solid boundary lines.
A. True B. False
Round the whole number to the given place.A publishing company sold 37,268,591 books in 2000. Round the number of books sold to the nearest ten-million.
A. 30,000,000 B. 37,000,000 C. 40,000,000 D. 37,270,000