Question

seja a função de Z em Z definida por f(x)=3x-2, calcule
f(2)
f(-3)
f(0)
f(3/2)

Answer 1

f(x)=3x-2
f(2)=3.2-2
f(2)=6-2
f(2)=4
f(x)=3x-2
f(-3)=3.(-3)-2
f(-3)=-9-2
f(-3)=-11
f(x)=3x-2
f(0)=3.0-2
f(0)=0-2
f(0)=-2
f(x)=3x-2
f(3/2)=3.3/2-2
f(3/2)=4,5-2
f(3/2)=2,5