Perform the indicated operations.
+ 
A. - 
x6 + 
B. - 
x2 + 
x - 
C. - 
x4 + 
x2 + 
D. - 
x2 + 
x + 
Answer: D
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Suppose you borrow P dollars at an APR of A expressed as a decimal. Suppose further that you repay the loan in t monthly payments and that interest is compounded continuously. Then your monthly payment, in dollars, is given by
?
where r is the monthly rate 
expressed as a decimal. Suppose you borrow 1601 dollars at an APR of 12% and repay the loan over a period of 3 years. And suppose interest is compounded continuously.A: Use functional notation to express your monthly payment.B: Calculate the value you found in part A.C: Use your answer to part B to answer this question: When the loan is paid off, how much of what you paid is interest?
What will be an ideal response?
Solve the problem.The flow rate r (in gallons per minute) of water from the nozzle of a firefighter's hose can be modeled by the formula r = 30d2
where d is the nozzle diameter (in inches) and P is the nozzle pressure (in pounds per square inch). If the nozzle pressure is 144 pounds per square inch, use the model to estimate the flow rate of water for a nozzle diameter of 1.5 inches.
A. 6480 gal/min B. 9720 gal/min C. 810 gal/min D. 540 gal/min
Solve the problem.If the average cost per unit C(x) to produce x units of plywood is given by C(x) = 
, what is the unit cost for 50 units? Round your answer to the nearest hundredth, if necessary.
A. $12.00 B. $0.60 C. $8.57 D. $-8.00
Write the fraction in lowest terms.
A. 
B. 
C. 
D. 