Add or subtract as indicated. Express your answer in standard form.(15 - 2i) - (6 - 9i)
A. 9 + 11i
B. 9 + 7i
C. 9 - 7i
D. 9 - 11i
Answer: B
Mathematics
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Write with positive exponents only.
-3
A. 
B. 
C. 
D. 
Mathematics
Write the exponential expression as a radical expression. Simplify if possible.251/2
A. 
= 5
B. 
= 
C. 
= 5
D. 
= 
Mathematics
Use the vertical line test to determine if the graph is a graph of a function.
A. Not a function B. Function
Mathematics
Provide an appropriate response.Find fx(0, y) by evaluating the limit of 
as h approaches 0.
A. 
B. y
C. Undefined
D. 0
Mathematics