Solve.The area of an ellipse given by the equation 
+ 
= 1 is ?ab. A homeowner is building an elliptical swimming pool that is 20 feet from end to end at its longest point, and 12 feet from side to side at its widest point. Find the area covered by the swimming pool. Round to the nearest tenth of a foot if necessary.
A. 754 ft2
B. 377 ft2
C. 11,309.7 ft2
D. 188.5 ft2
Answer: D
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The cumulative number F of flu cases reported after t weeks is modeled by the function
.
How many people had the flu at the start of the epidemic? Round your answer to the nearest whole number.
?
A. 
B. 
C. 
D. 
Solve the problem.A committee is to be formed. Possible candidates for the committee are Anne, Daniel, Raul, Sarah, and Teresa. Denoting these five people by a, d, r, s, t, list all possible committees of three people (ie list all possible subsets of size three).
A. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {a, r, t}, {a, s, t}, {d, r, s}, {d, r, t}, {d, s, t}, {r, s, t}, 
B. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {a, r, t}, {a, s, t}, {d, r, t}, {d, s, t}, {r, s, t}
C. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {d, r, s}, {d, r, t}, {d, s, t}, {r, s, t}
D. {a, d, r}, {a, d, s}, {a, d, t}, {a, r, s}, {a, r, t}, {a, s, t}, {d, r, s}, {d, r, t}, {d, s, t}, {r, s, t}
Graph the solution of the inequality on a number line.x ? -3
A. 
B. 
C. 
D. 
Solve the given equation for x.log2
= x
A. 
B. 
C. 
D. 