Respostas

2014-04-28T23:10:03-03:00
A)f(0)=4×0=0
b)f(2)=4×2=8
c)f(-5/4)=4× (-5/4)=-5
d)f(-3)=4 × -3= -12
e)f(1)-f(3)+f(4)
f(1)= 4×1=4
f(3)=4×3=12
f(4)=4×4=16
4-12+16= 8