Respuesta :

Answer:

f(3) = 2

Step-by-step explanation:

to evaluate f(3) , with x = 3 in the interval x < 5 , then

f(x) = 2x - 4 ( substitute x = 3 into f(x) )

f(3) = 2(3) - 4 = 6 - 4 = 2