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f((2)=3×2-4=2
f(-2)=3×(-2)-4=-10
f(2)-f(4)=2-(-10)=2+10=12
f(2)=3*2-4=2
f(-2)=3*(-2)-4=-10
f(2)-f(-2)=2-(-10)=12
troche niewyraznie pisze, ale sprubuje je rozwiazac tak ja je rozumuje
F(x) =3x-4
f(2)=3*2-4
F(2)=2
F(-2)=3*(-2)-4
F(-2)=-10
F(2)-F(-2)= -8 ale nie wiem czy to trzeba obliczyc czy tak napisane