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. 12,365 yd2
B. 29,626 yd2
C. 25,261 yd2
D. 8182 yd2
Answer: A
Mathematics
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Find the location of the indicated absolute extremum for the function.Maximum
A. x = -1 B. x = 0 C. No maximum D. x = 2
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Solve.z4 - 9z2 + 18 = 0
A. 
, 
B. 
, 
C. ±
, ±
D. 
, 
Mathematics
Use symbols to write the expression and then evaluate it.Three squared plus six
A. 62 - 3; 33 B. 32 + 6; 15 C. 62 + 3; 39 D. 32 - 6; 15
Mathematics
Use the graph to evaluate the function f(x) at the indicated value of x.Find f(-1).
A. 0.25 B. -0.5 C. 0.5 D. None of these are correct.
Mathematics