SOLUTION: Which function has an inverse that is also a function? A {(-4,3) (-2,7) (-1,0) (4,-3) (11,-7) B {(-4,6) (-2,2) (-1,6) (4,2) (11,1) C {(-4,5) (-2,9) (-1,8) (4,8) (11,4)

Question 1025852: Which function has an inverse that is also a function?
A {(-4,3) (-2,7) (-1,0) (4,-3) (11,-7)
B {(-4,6) (-2,2) (-1,6) (4,2) (11,1)
C {(-4,5) (-2,9) (-1,8) (4,8) (11,4)
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Plot the points for each of the functions. If you can draw a horizontal line through any two points of a function, then the function's inverse is NOT a function.

John

My calculator said it, I believe it, that settles it

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