Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.
A. 3
B. 3x
C. 3x4
D. 3x8
Answer: C
Mathematics
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Use the graph to find a ? > 0 such that for all x, 0 < 
< ? ? 
< ?.
A. 0 B. 0.41 C. 0.17 D. 0.5
Mathematics
Find the difference. Simplify the result.
- 
A. - 
B. - 
C. - 
D. - 
Mathematics
Determine the number that will complete the square. Check by multiplying.x2 - 
x + 
A. 
B. 
C. 
D. 
Mathematics
Subtract. Write the answer in lowest terms as a mixed number.
A. 11
B. 12
C. 13
D. 12
Mathematics