Respuesta :

mhanifa

Answer:

  • y = 4(2x) − 3
  • y = −2

Step-by-step explanation:

Given functions:

  1. y = 4(2x) − 3
  2. x² + y = 1
  3. y = 2√ x
  4. y = −2

Linear functions have the form of

  • ax + by + c = 0 or y = mx + b

Therefore functions 1. and 4. are linear functions, the other two aren't