Evaluate the logarithm without the use of a calculator.log9 

A. -9
B. -2
C. 2
D. 9


Answer: B

Mathematics

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Solve the problem.For a charter flight, an airline charges a fare of $200 per person plus $4 per person for each unsold seat on the plane. If the plane holds 100 passengers and if x represents the number of unsold seats, find an expression for the total revenue received for the flight and find the maximum revenue.[Hint: To find an expression for the total revenue, multiply the number of people flying,  by the price per ticket.]

A. R(x) = (100 - x)(200 + x) maximum revenue: $22,500 B. R(x) = (100 - x)(200 + 4x) maximum revenue: $22,500 C. R(x) = 204(100 - x) maximum revenue: $20,400 D. R(x) = (100 - x)(200 + 4x) maximum revenue: $18,000

Mathematics

Answer the question. You will need to use the formula 4.9t2 + vot = s.A bolt falls from an airplane at an altitude of 1695 meters. Approximately how long does it take for the bolt to reach the ground?

A. 22 seconds B. 20.1 seconds C. 18.6 seconds D. 16.3 seconds

Mathematics

Solve the problem.The formula y = 1 + 1.3 ln(x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After how many days of practice can the basketball player make an average of 5 consecutive free throws?

A. 100 days B. 21 days C. 23 days D. 102 days

Mathematics

Solve the problem.A town has a population of 2000 people and is increasing by 9% every year. What will the population be at the end of 11 years?

A. 4735 people B. 5625 people C. 5161 people D. 3980 people

Mathematics