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## Homework Statement

Determine the possible values that y can take for the graph y=x+2/3-x^2

## Homework Equations

N/A

## The Attempt at a Solution

y=k

k(3-x^2)=x+2

3k-kx^2=x+2

-kx^2+3k-x-2=0

I've tried factorising my k terms and much more faffing about to no avail...help please? :s