Find the value of k that makes f(x) = kx2 a probability density function on the interval 
Enter just an integer.
Fill in the blank(s) with the appropriate word(s).
Answer: 3
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Divide.(x4 - 2x2 + 6x - 9) ÷ (x2 - 3)
A. x2 + 1 + 
B. x2 - 1 + 
C. x2 - 1 + 
D. x2 + 1 + 
Find the product or quotient, using trigonometric form. Write the answer in the form a + bi.
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Solve the problem.The number of adult cats age 3 and older who are rescued from shelters in a certain region are shown in the table for various years.
Let f(t) be the number (in thousands) of adult cats that are rescued from shelters in the year that is t years from 2008. A reasonable model is 
Estimate the number of adult cats (to the nearest hundred) that will be rescued in 2025.
A. 9300 cats B. 10,000 cats C. 11,000 cats D. 12,000 cats
An efficiency study conducted for a company showed that the number of devices assembled by the average worker t hr after starting work at 7 A.M. is given by
?
?
At what time during the morning shift is the average worker performing at peak efficiency?
?
A. At 9 A. M. the average worker is performing at peak efficiency. B. At 10 A. M. the average worker is performing at peak efficiency. C. At 7 A. M. the average worker is performing at peak efficiency. D. At 8 A. M. the average worker is performing at peak efficiency.