Question

Dada a função f(x) = 2x – 10, calcule o valor de f (4) – f (6) . *

Answer 1

Resposta:

f(x) = 2x – 10,

f (4)=2.4-10

f (4)=8-10

f (4)= -2

f (6)= 2x-10

f (6)= 2.6-10

f (6)= 12-10

f (6)= 2

calcule o valor de

f (4) – f (6)

-2-2= -4