Question

determine as raizes das funções
a = f(x) = 4x-8
b) = g(x)2x-20
c) = h(x)8x+10​

Answer 1

a = f(x) = 4x-8

4x-8 = 0

4x=8

x = 8/4

x = 2

b) = g(x)2x-20

2x-20=0

2x=20

x=20/2

x=10

c) = h(x)8x+10​

8x+10=0

8x=-10

x=-10/8, ou simplifique por 2 = -5/4