Determine whether or not the function is one-to-one.f(x) = 2x - 4
A. No
B. Yes
Answer: B
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Provide an appropriate response.If a fair coin is tossed 100 times, use the normal approximation to estimate the probability of getting at least 60 heads.
A. 0.5287 B. 0.0287 C. 0.0228 D. 0.4713 E. 0.0179
Provide an appropriate response.The probability distribution for the random variable X is: 
What is the expected value of X?
A. 0.62 B. 0.26 C. 0.22 D. 0.50
Solve the problem.A circular swimming pool, 20 feet in diameter, is enclosed by a circular deck that is 5 feet wide. What is the area of the deck? Use ? = 3.1416.
A. 314.2 ft2 B. 942.5 ft2 C. 392.7 ft2 D. 675.4 ft2
Solve the problem.If a boat uses 24 gallons of gas to go 69 miles, how many miles can the boat travel on 96 gallons of gas?
A. 296 mi B. 552 mi C. 276 mi D. 17 mi