Respuesta :

arynjohnson2018

Answer:

x = 4 into the equation y = 3x, or locate the answer on the graph: y = 3x = 3(4) = 12.

The spring stretches 12 inches with a 4-kilogram weight attached to it.

Step-by-step explanation: so its 12

ddkey2008

Substitute x = 4 into the equation y = 3x, or locate the answer on the graph: y = 3x = 3(4) = 12.

The spring stretches 12 inches with a 4-kilogram weight attached to it.