Write the binomial expansion of the expression.(3x - 1)4
A. (9x2 - 3x + 1)4
B. -81x5 + 108 x4 + 54x3 + 12x2 + 1
C. 81x4 - 108x3 + 54x2 - 12x + 1
D. 81x3 - 108x2 + 54x - 12
Answer: C
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A 1.5-mm layer of paint is applied to one side of the following surfaces. Find the volume of paint needed. Assume that x and y are measured in meters.The spherical zone generated when the curve y = 
on the interval [2, 8] is revolved about the x-axis.
A. 
? m3
B. 
m3
C. 
? m3
D. 48? m3
Solve the problem.How close does the curve y = 
come to the point 
? (Hint: If you minimize the square of the distance, you can avoid square roots.)
A. The distance is minimized when x = 
; the minimum distance is 
units.
B. The distance is minimized when x = 
; the minimum distance is 
units.
C. The distance is minimized when x = - 
; the minimum distance is 
units.
D. The distance is minimized when x = 
; the minimum distance is 
units.
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1
A. 
B. - 
C. -14
D. -49
Classify by type (cardinal, ordinal, or nominal) the number that appears in the sentence.Max placed fourteenth in the cross-country race.
A. Ordinal B. Cardinal C. Nominal