Respuesta :

Billymanisepic

Answer:

f(7) = 22 or x =2

Step-by-step explanation:

  1. f(x) = 3x + 1
  2. f(7) = 3(7) + 1
  3. f(7) = 21 + 1
  4. f(7) = 22

Or if the equation meant it like this:

  1. f(x) = 3x + 1
  2. 7 = 3x + 1
  3. 6 = 3x
  4. 2 = x
Qphan0401

Answer:

f(7) = 22

Step-by-step explanation:

1. f(x) = 3x + 1

2. f(7) = 3(7) + 1

3. f(7) = 21 + 1