Solve the variation problem.The weight of a liquid varies directly as its volume. If the weight of the liquid in a cubical container 4 cm on a side is 128 g, find the weight of the liquid in a cubical container 5 cm on a side.
A. 250 g
B. 10 g
C. 105 g
D. 125 g
Answer: A
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Provide an appropriate response.The region shown here is to be revolved about the y-axis to generate a solid. Which of the methods (disk, washer, shell) could you use to find the volume of the solid? How many integrals would be required in each case?
?
What will be an ideal response?
Solve.x2 + (y + 1)2 = 36 y = x2 + 5
A. (5, 0), (-8, -i
), (-8, i
)
B. (-
, 8), (
, 8), (-i
, -5), (i
, -5)
C. (0, 5), (-i
, -8), (i
, -8)
D. (-i
, -8), (i
, -8), (-
, 5), (
, 5)
Write the rational expression in lowest terms.
A. - 
B. 
C. 
D. 
Solve the problem.A research team collected data concerning a local welfare-to-work program. They found that the more frequently a participant attended weekly group support meetings, the longer he or she would keep the same job. The data are summarized in the graph below. Call the function f.
Does f have an inverse? Why or why not?
A. No, because it fails the vertical line test. B. Yes, because it passes the vertical line test. C. No, because it fails the horizontal line test. D. Yes, because it passes the horizontal line test.