Identify the domain of f. Write your answer in set-builder notation.f(x) = 
A. {x|x ? 1}
B. All real numbers
C. {x|x ? -1}
D. {x|x ? 0, x ? -1}
Answer: C
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Solve the problem.A certain game involves tossing 3 fair coins. It pays 27 cents for 3 heads, 15 cents for 2 heads, and 8 cents for 1 head. What is a fair price to pay to play this game?
A. 10 cents B. 9 cents C. 12 cents D. 17 cents
Solve the problem.Using Chebyshev's theorem, how many standard deviations on each side of the mean must we take to be assured of including 95% of the data?
A. 3 B. 6 C. 5 D. 2 E. 4
Perform the indicated operations.Estimate by rounding to the nearest ten, then find the actual sum. 48172687
A. Estimate: 210 Actual: 193 B. Estimate: 200 Actual: 265 C. Estimate: 193 Actual: 145 D. Estimate: 190 Actual: 178
Use a calculator to solve. Round to four decimal places.101.6283
A. 0.4876 B. 42.4913 C. 0.2117 D. 5.0943