Question 159552: I still am in need of help if someone can. question in home school book reads as this. Inverse each given function; then determine whether the result is a function. 1. A={(2,8);(3,7);(9,8)} a.___ b.___ 2. C={(4,5;(5,4);(-4,5)} a.___ b.___ 3. E={(4,1);(1,3);(-2,5)} a.___ b. ____ 3. G= {(2,0);(0,1);(-3,2)} a____ b ____ Could anyone help explain these. There isn't enough information in these books. Any help would be appreciated.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Inverse each given function; then determine whether the result is a function. 1. A={(2,8);(3,7);(9,8)} a.___ b.___
Inverse: (8,2)(7,3)(8,9)
Not a function because there are two different y values when x = 8
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2. C={(4,5;(5,4);(-4,5)} a.___ b.___
Inverse: (5,4)(4,5)(5,-4)
Not a function because there are two different y values when x = 5
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3. E={(4,1);(1,3);(-2,5)} a.___ b. ____
Reverse each ordered pair to form the inverse.
This one will be a function because each x value will have only one y value
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3. G= {(2,0);(0,1);(-3,2)} a____ b ____
Same process.
This inverse will be a function.
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Cheers,
Stan H.
Could anyone help explain these.
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