Solve the problem.An oval running track encircles a soccer field that is x yards wide and y yards long (see figure). The area A of the region enclosed by the track can be calculated using the equation 
Calculate the area if 
and 
Use the approximation 
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A. 7821 yd2
B. 26,317 yd2
C. 28,832 yd2
D. 12,354 yd2
Answer: D
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Use a calculator to find the decimal form of the rational number. If it is a nonterminating decimal, write the repeating pattern.
?
A. 
B. 
C. 
D. 
E. 
Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.ln 5x = 2
A. 1.492 B. 1.478 C. 7.389 D. 36.945
Integrate using any method.
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.50 as soon as you get in the taxi, to which a charge of $2.30 per mile is added. Find an equation that can be used to determine the cost, C, of an x-mile taxi ride, and use this equation to find the cost of a 3-mile taxi ride.
A. $9.40 B. $9.28 C. $10.30 D. $9.58