Provide an appropriate response.The definite integral represents area only if the function involved is ? at every x-value in the interval 
A. rational
B. positive
C. nonnegative
D. negative
Answer: C
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Evaluate the integral.
3x sec53x dx
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Write the polynomial that represents the perimeter of the figure.
A. 2x2 - 2x - 2 B. 2x2 + 10x + 8 C. 2x2 - 4x - 2 D. x2 - 4x - 2
Name the quadrant in which the point is located, or the axis on which it lies .(-2, 0)
A. Quadrant III B. x-axis C. Quadrant II D. y-axis
Provide an appropriate response.Suppose a diagnostic machine will yield a net of $1000 per quarter for 5 years, after which the machine can be sold for $1000. How much should a firm pay for the machine if it wants to earn 7.5% annually on its investment and also set up a sinking fund to replace the purchase price? For the fund, assume quarterly payments and a rate of 5.5% compounded quarterly.
Fill in the blank(s) with the appropriate word(s).