Respuesta :

Answer:

f(a) = a^2 + 2a + 1

Step-by-step explanation:

Given the function f(x)= x^2 +2x + 1, find: f(a):

Merely substitute ' a ' for x:

f(a) = a^2 + 2a + 1

If you really want e*f(a), multiply the above by e:

e*f(a) = ea^2 + 2ea + e