Question

dada à função do 1 grau f (x)=(1-5x).determiner:a)f (-1/4)

Answer 1

1/4= 0,25

f(x)=1-5x
f(-1/4)=1-(5*(-1/4))
f(-1/4)=1-(5*(-0,25))
f(-1/4)=1-(-1,25)
f(-1/4)=1+1,25
f(-1/4)=2,25