A phase trajectory is shown for populations of rabbits (R) and foxes (F). Describe how each population changes as time goes by.
Select the correct statement.
a. At t = B the number of rabbits rebounds to 500.
b. At t = B the number of foxes reaches a maximum of about 2400.
c. At t = B the population of foxes reaches a minimum of about 30.
c. At t = B the population of foxes reaches a minimum of about 30.
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Express as a single logarithm and, if possible, simplify.ln (x2 - 36) - ln (x + 6)
A. ln (x + 6) B. ln (x2 - 6) C. ln (x - 6) D. ln (x - 36)
Find the period and amplitude.
What will be an ideal response?
Solve the problem.A culture of bacteria obeys the law of uninhibited growth. If 140,000 bacteria are present initially and there are 609,000 after 6 hours, how long will it take for the population to reach one million?
Fill in the blank(s) with the appropriate word(s).
First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Mr. Buttimer took a plane trip for a total of 5.58 hours. He watched an in-flight movie for 1.5 hours. From the airport, he took a cab ride for 0.72 hour to the train station. Next, he took the train home for 1.87 hours. What was the total time spent traveling?
A. Estimate: 11 hours; exact: 8.17 hours B. Estimate: 11 hours; exact: 9.67 hours C. Estimate: 12 hours; exact: 9.67 hours D. Estimate: 9 hours; exact: 8.17 hours