Solve.The price of electric guitars has varied considerably in recent years. The data in the table relates the price P, in dollars, to time t, in years. Use a cubic function fitted to the data to predict the price of an electric guitar in year 10. 
A. $443.52
B. $893.53
C. $670.48
D. $827.42
Answer: C
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Solve.The population of a town was about 40,000 in 1910. In 1935, the population was about 81,000. Assuming the exponential model, what was the growth rate of the town, to the nearest hundredth of a percent, during this period?
A. 28.22 % per year B. 1.57 % per year C. 3.54 % per year D. 2.82 % per year
Calculate the perimeter for the given figure. Use 3.14 for ?. Round to hundredths if necessary.Rectangle topped by a semicircle
A. 29.85 ft B. 32.70 ft C. 18.57 ft D. 24.85 ft
Given the values of x and y, find an equation of variation in which y varies directly as x.y = 28, when x = 8
A. y = 3.5y B. y = 0.29x C. y = 28x D. y = 3.5x
Find any numbers for which the rational expression is undefined.
A. z = 7, z = 2 B. z = -7 C. z = 7 D. none