1. What can be said about the domain of the function f circ g where f(y)= frac{4}{y-2} and g(x)= frac{5}{3x-1} ?
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1. What can be said about the domain of the function  fg where f(y)=y24  and g(x)=3x15  ? Express it in terms of a union of intervals of real numbers. Go to www.desmos.com/calculator and obtain the graph of f,g, and fg. 

2. Find the inverse of the function f(x)=4+x2.

3. State the domains and ranges of both the function and the inverse function in terms of intervals of real numbers. Go to www.desmos.com/calculator and obtain the graph of f , its inverse, and g(x)=x  in the same system of axes. About what pair (a, a) are (11, 7) and (7, 11) reflected about?

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Q1) In interval notation. x=(-oo,1/3)U(1/3, 7/6) U... View the full answer

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