Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 628 with r = 1.6. Write a recursive sequence that describes this data, where an denotes the insect density during year n.Find the terms a1 , a2 , a3 , ...... until you are able to interpret the results.
A. The population density increases by 60% per year.
B. The population density decreases by 60% per year.
C. The population density increases by 40% per year.
D. The population density decreases by 40% per year.
Answer: A
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Solve.3x3 + 28x2 + 49x = 0
A. -7, - , 0
B. 0, 7,
C. -7, -
D. 7,
Solve the problem.Amy is making a cubic cardboard box and intends it to be 10 in. long on each side. She can't find her ruler, so the errors in her measurements can be up to 10%. Express the possible volume of the box V as an inequality and graph the values of V. V = volume in cu. in.
A. 900 ? V ? 1100 V = volume in cu. in.
B. 1000 ? V ? 1331 V = volume in cu. in.
C. 1000 ? V ? 1100 V = volume in cu. in.
D. 729 ? V ? 1331 V = volume in cu. in.
Solve the problem.A camera costs $460. If the sales tax rate is 5%, what is the total price including tax? Round your answer to the nearest cent.
A. $478.40 B. $690.00 C. $487.60 D. $483.00
Evaluate the expression. -
A.
B.
C.
D.