Use a graphing calculator to graph the function using the given viewing window. Use the graph to decide if the function is one-to-one. If the function is one-to-one, give the equation of the inverse function.f(x) = ; [-8, 8] by [-8, 8]

A. one-to-one; f-1(x) =  
B. one-to-one; f-1(x) =  
C. not one-to-one
D. one-to-one; f-1(x) = 


Answer: D

Mathematics

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Find the exact value of the expression.cot-1

A. - 
B. - 
C.
D.

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Which method should be used to solve the system? Explain your answer, including a description of the first step.-7x2 + 3y2 =81-3x2 - 5y2 =100

What will be an ideal response?

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