Question

Dada a Função F(x)= 7x-3 com D=R obtenha: F(2)F(6)F(-1/3)

Answer 1

f(x)= 7x-3 

f(2) = 7.2-3
f(2) = 14 - 3
f(2) = 11

f(6) = 7.6-3
f(6) = 42 - 3
f(6) = 39

f(-1/3) = 7.(-1/3) - 3
f(-1/3) = -7/3 - 3
f(-1/3) = -2/3