Solve the problem.S(x) = -x3 + 6x2 + 288x + 4000, 4 ? x ? 20 is an approximation to the number of salmon swimming upstream to spawn, where x represents the water temperature in degrees Celsius. Find the temperature that produces the maximum number of salmon.
A. 4°C
B. 8°C
C. 12°C
D. 20°C
Answer: C
Mathematics
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Write the quotient in standard form.
A. 5 - 8i B. -8 - 5i C. -8 + 5i D. 288 - 180i
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 2y - y2 and the y-axis about the y-axis
A. 
?
B. 
?
C. 
?
D. 
?
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Provide an appropriate response.What is the present value of an annuity of $300 per quarter for five years at an interest rate of 4.5% compounded quarterly?
Fill in the blank(s) with the appropriate word(s).
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Determine the unit rate.4144 cartons filled in 0.8 hour
A. 4145 cartons/hr B. 3315 cartons/hr C. 4604 cartons/hr D. 5180 cartons/hr
Mathematics