The graph of ) = (2x + 18) has vertical tangent/s at
at 1 x = -9 and x=9
2 x = - 8 and x = 3
3. at x = 3 only
4 at x = - 3 only​

Respuesta :

Answer:

1

Step-by-step explanation:

2 divided 18 equal 9. Which means X would equal 9.