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Mathematics 21 Online
OpenStudy (anonymous):

Determine whether the inverse of F(x) is a function

OpenStudy (freckles):

If f is one to one function, then there exist an inverse function of f we will call f^(-1).

OpenStudy (anonymous):

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OpenStudy (anonymous):

it has a picture like this

OpenStudy (tkhunny):

See if F(x) passes the HORIZONTAL line test.

OpenStudy (anonymous):

ive heard about that but i didnt quiet get it

OpenStudy (freckles):

draw in your mind infinitely many horizontal lines on the graph

OpenStudy (freckles):

the horizontal line can only touch 0 or 1 times for it to be one to one

OpenStudy (freckles):

but every horizontal line must have that rule

OpenStudy (freckles):

not just a couple all

OpenStudy (freckles):

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