Find the composition. If f(x) = 6x + 4 and g(x) = x + 5, find (g ? f)(x)
A. 6x + 9
B. 6x2 + 34x + 20
C. 6x2 + 34
D. 6x + 34
Answer: A
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Solve the problem.A reservation clerk worked 15.3 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering new reservations?
A. 13.6 hours B. 3.4 hours C. 5.1 hours D. 6.8 hours
Write the number in decimal notation.5 × 104
A. 0.0005 B. 50,000 C. 0.00005 D. 500,000
Solve the problem.The number of periods needed to double an investment when a lump sum is invested at 10%, compounded semiannually, is given by n = log1.05 2. Find the number of years before the investment doubles in value, to the nearest tenth of a year.
A. 7.1 years B. 28.4 years C. 3.6 years D. 14.2 years
Each number below is the number of miles the Hoover family has driven in a week. Determine the frequency of the class interval for this data. 
Miles Driven
A. 4 B. 5 C. 2 D. 3