Choose the graph which matches the function.f(x) = 4- x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Answer the question.Does 
f(x) exist? 
A. No B. Yes
Mathematics
Express the value of the inverse hyperbolic function in terms of natural logarithms.sech-1 
A. ln 
B. ln 
C. Undefined
D. ln 
Mathematics
Match the graph to one of the polar equations.
A. r = 2 B. r sin ? = 2 C. r = 4 cos ? D. r = 4 sin ?
Mathematics
Determine if the relation is a function.
A. Function B. Not a function
Mathematics