Evaluate the rational expression for the given value of the variable.
for x = -9
A. 
B. 0
C. - 
D. Undefined
Answer: A
Mathematics
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Fill in the blank with one of the words or phrases listed below. Not all choices will be used and some choices may be used more than once.
By the zero factor property, if the product of two numbers is 0, then at least one of the numbers must be 
.
A. quadratic equation B. 0 C. 1 D. greatest common factor
Mathematics
Add and simplify. Write the answer as a mixed number as needed.6
+ 1
A. 2
B. 8
C. 7
D. 8
Mathematics
Simplify the expression. Write answer with positive exponents. Variables are positive real numbers.(b3)2/3
A. b1/3 B. b5/3 C. b2 D. b2/9
Mathematics
Find the domain and the range for the function.
A. Domain: [0, ?), Range: 
B. Domain: 
, Range: [0, ?)
C. Domain: 
, Range: (-?, 0]
D. Domain: (-?, ?), Range: (-?, ?)
Mathematics