Write as a decimal number rounded as indicated.
; Round to the nearest hundredth.
A. 0.889
B. 1.13
C. 0.89
D. 0.88
Answer: C
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Use the factor theorem to determine whether the first quantity is a factor of the second quantity.5x4 + 18x3 + 4x2 - 10x - 15, x - 5
A. Yes B. No
Simplify the expression. Assume that all variables are positive when they appear.(
+ 
)(
- 
)
A. 8 - z
B. 8 - 2
C. 8 - 2
D. 8z
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 624 with r = 0.8. 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 20% each year. B. The population density decreases by 20% each year. C. The population density increases by 80% each year. D. The population density decreases by 80% each year.
Multiply and simplify.(
+ 1)(
- 1)
A. 4 - 2
B. 4
C. 4 + 2
D. 6