Question

determine o zero da função afim

a) -3x -21
b) 2-8x
c) 7-x
d) -6x+18

Answer 1

a)-3x -21=0
-3x=21
x=21/-3
x=7

b)2-8x=0
-8x=-2
x=-2/-8
x=0,25

c)7-x=0
-x=-7

d)-6x+18=0
-6x=-18
x=-18/-6
x=-3