Solve the problem.The table lists how financial aid income cutoffs (in dollars) for a family of four have changed over time. Use the midpoint formula to approximate the financial aid cutoff for 1985.
A. $33,375
B. $17,625
C. $20,250
D. $51,750
Answer: A
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Graph the function.y = 5x2 + 6
A. 
B. 
C. 
D. 
Use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines about the y-axis.y = 4x2 - x3, y = 0
A. 
?
B. 
?
C. 
?
D. 1024?
Solve the problem.The width of a rectangle can be represented by the ratio 
, where A is the area of the rectangle and l is the length. Suppose that the area of a rectangle is 
square inches and the length of the rectangle is 
a. Determine the simplified rational expression that describes the width of the rectangle.b. What is the width of the rectangle if 
/> inches? A. a. (x - 3); b. 37 inches B. a. (x + 3); b. 43 inches C. a. (x + 5); b. 45 inches D. a. (x - 5); b. 35 inches
Solve the problem.Consider a retirement savings account where the monthly contribution is $175 for the first 20 years, is increased to $225 for the next 5 years, and then is increased once again to $375 for the last 15 years. The APR is always 4.8% compounded monthly. What is the value of the account at the end of 40 years? Round your answer to the nearest cent.
A. $310,143.23 B. $314,907.23 C. $313,040.67 D. $312,009.78 E. $315,938.12