Question

Determine o zero de cada função A) f (x) =2+4 B) g(x)=-4x+18 C) h(x)= 3x D) m(x)=-x+12

Answer 1

a) f(x)=2x+42x+4=0
2x=-4
x=-4/2
x=-2

s={-2}

b) g(x)=-4x+18
-4x+18=0
-4x=-18(-1)
4x=18
x=18/4
x=9/2

s={9/2}

c) m(x)=-x+12-x+12=0
-x=-12(-1)
x=12

s={12}

d)h(x)=3x
3x=0
x=0/3
x=0