Question

dada a funçao do 1° grau f(x)=(1-5x) determinar: a)f(0) b)f(-1) c)f(1/5) d)f(-1/5

Answer 1

f(x)=1-5*0=0
b) f(X)=1-5*-1=1-5=-4
C)f(x)=1-5*1/5=0
d)f(x)=1-(-1/5)=1