Find the domain of the rational function.f(x) = 
A. All real numbers except 
B. All real numbers except - 
C. All real numbers except - 
and 0
D. All real numbers except 
and 0
Answer: A
Mathematics
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Perform the indicated operation. Write the sum as a fraction, whole number, or mixed number in lowest terms.3
+ 2
+ 
A. 128
B. 10
C. 10
D. 8
Mathematics
Solve.
+ 
= 0
A. {-4, 4} B. {4} C. {-4, 0, 4} D. ?
Mathematics
Rewrite the fraction with the denominator indicated.Write 
with a denominator of 21.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.(x - 2)(56x2 + 73x + 21) = 0
A. 
B. 
C. {2}
D. 
Mathematics