Divide.
÷ (7b + 9)
A. -3b2 + 
b + 9
B. 
b + 1
C. 
b - 1
D. b2 + 85b + 1
Answer: B
Mathematics
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Identify the following as rational or irrational. If the number is rational, find the root exactly. If the number is irrational, approximate the number to the nearest thousandth when necessary.
A. Rational; 8 B. Rational; 72 C. Irrational; 2.881 D. Rational; 24
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Evaluate the given binomial coefficient.
A. 
B. 352,440
C. 
D. 4005
Mathematics
Solve the rational inequality and graph the solution set on a real number line. 
? 2
A. [-2, -1)
B. (-?, -1) ? [0, ?)
C. (-?, -2] ? (-1, ?)
D. (-1, 2]
Mathematics
Determine whether the relation defines y as a function of x. Give the domain.x = y4
A. Not a function; domain: [0, ?) B. Not a function; domain: (-?, ?) C. Function; domain: [0, ?) D. Function; domain: (-?, ?)
Mathematics