Find the product.(x + 4)3
A. x3 + 12x2 + 48x + 64
B. x3 + 12x2 + 8x + 64
C. x3 + 4x2 + 8x + 64
D. x3 + 12x2 + 12x + 64
Answer: A
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Use the information given in the table to solve the problem.The table gives the Consumer Price Index for selected years.
Use the concept of an average or mean to estimate the CPI in 1965.
A. 50.2 B. 54.9 C. 51.8 D. 52.5
Solve the polynomial inequality. Express your solution on a number line using interval notation.(x + 1)(x - 1)(x - 5) > 0
A. (-?, -1) ? (1, 5)
B. (-?, 1)
C. (5, ?)
D. (-1, 1) ? (5, ?)
Solve the problem.The amount of particulate matter left in solution during a filtering process is given by the equation 
, where n is the number of filtering steps. Find the amounts left for 
and 
. (Round to the nearest whole number.)
A. 700, 175 B. 700, 2800 C. 700, 22 D. 1400, 175
Solve the rational inequality and graph the solution set on a real number line. Express the solution set in interval notation.
< 0
A. (-8, 1)
B. (-?, -8)
C. (-?, -8) or (1, ?)
D. (1, ?)