Need help i got GCSE exam monday +rep

[lAscend]

i dont understand the cubic graphs and all that y = this and this and all that crap if somesone can explain or give an example that would be great thanks

[Jordan,]

ok basci examplet if it was y = x i line would go diaganel

[&]

bbc bitesize :)

[Ramones]

if it says f(x)= ... it means the same as y=