Question

qual o zero da função a) f(x)=-7x-5?
b) g(x)=8x-4
c) h(x)=-2+14
d) t(x)=20x​

Answer 1

Explicação passo-a-passo:

a) f(x) = - 7x - 5

0 = - 7x - 5

7x = - 5

x = - 5/7

b) 8x - 4 =0

8x = 4

x = 4/8

x = 1/2

c) 0 = -2 x +14

2x = 14

x = 14/2

x = 7

d) 0 = 20x

0/20 = x

x = 0