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a)
f\left(x\right)=4x-\left(2x+1\right)
f\left(x\right)=4x-2x-1
f\left(x\right)=2x-1
kuvaaja A
b)
f\left(x\right)=-2\left(x-1\right)+1
f\left(x\right)=-2x+2+1
f\left(x\right)=-2x+3
kuvaaja B
c)
f\left(x\right)=3\left(x-\frac{1}{3}\right)-x
f\left(x\right)=3x-1-x
f\left(x\right)=2x-1
kuvaaja A