Function Graphs SAT

<p>I really really mess up on these function graphs where rthey give u f(a) = X and all</p>

<p>whats a good thing to keep in mind when doing function graphs?</p>

<p>f(x) = y axis or something?</p>

<p>Are there equations i should memorize for certain graphs? Does anyone know where i can get a review of function graphs....only thing i mess up on ...</p>

<p>Thanks Guys!</p>