👤

f:{-3:-2:0:1:4 } R ,f(x)=2x-7​

Răspuns :

f(-3)=2×(-3)-7=(-6)-7= (-13)

f(-2)=2×(-2)-7= -4-7=(-11)

f(0)=2×0-7=(-7)

f(1)=2×1-7=2-7=(-5)

f(4)=2×4-7=8-7=1