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Mathematics 21 Online
OpenStudy (anonymous):

If f(x) has a range of y > 1 2, find the domain of f^-1(x).

OpenStudy (anonymous):

@Cosmichaotic

OpenStudy (zzr0ck3r):

the domain of f^-1 is the range of f

OpenStudy (anonymous):

yea

OpenStudy (anonymous):

x < 1 2 x > 1 2 x > 1 2 x < 1 2

OpenStudy (anonymous):

i mean

OpenStudy (zzr0ck3r):

which one looks like the range, but with an x?

OpenStudy (anonymous):

a.x < 1/2 b. x > 1/2 c. x > 1/2 d. x < 1/2

OpenStudy (zzr0ck3r):

that cant be right

OpenStudy (anonymous):

the first to are less or greater signs

OpenStudy (anonymous):

those are my choices answers

OpenStudy (anonymous):

two

OpenStudy (zzr0ck3r):

the first ones you pasted are correct

OpenStudy (zzr0ck3r):

it will look exactly like the range but with an x

OpenStudy (anonymous):

x < 1/2?

OpenStudy (zzr0ck3r):

\(y=f(x) \iff f^{-1}(y)=x, \ \forall x \ \forall y\)

OpenStudy (zzr0ck3r):

no @alyygirl

OpenStudy (zzr0ck3r):

its in the list of the first options, but not the second.

OpenStudy (zzr0ck3r):

I don't know what else to tell you...

OpenStudy (anonymous):

b?

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