Bentuk umum fungsi linear adalah ....
f(x)=ax−bf\left(x\right)=ax-bf(x)=ax−bxxx
f(x)=ax2+bf\left(x\right)=ax^2+bf(x)=ax2+b
f(x)=ax2+bxf\left(x\right)=ax^2+bxf(x)=ax2+bx
f(x)=ax+bxf\left(x\right)=ax+bxf(x)=ax+bx
f(x)=ax+bf\left(x\right)=ax+bf(x)=ax+b