Simplify the expression. Write the answer using only positive exponents. Assume that all variables represent positive real numbers.
-4
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Multiply and simplify.2
? 4
A. 16
B. 8x
C. 16x
D. 8x
Mathematics
Provide an appropriate response.1 K (kilobyte) of computer memory is actually 1024 bytes, and can be expressed in exponential form as 210 bytes. If 1 K of memory were exactly 1000 bytes, write this value in exponential form using the base 10.
A. 105 bytes B. 102 bytes C. 1010 bytes D. 103 bytes
Mathematics
Find the domain of f. Write your answer in interval notation.f(x) = 
A. (0, ?)
B. 
C. (-?, ?)
D. (-?, 0)
Mathematics
Find the sum. 
+ 
A. 
B. 
C. 
D. 
Mathematics