Respuesta :

the answer is (4) 0.6x+0.6

Answer:

Answer 4

Step-by-step explanation:

The slope is 7.8-4.8/12-7 = 3/5 = 0.6

So choose between 3 & 4

Plug in one of the points in 3:

7.8=0.6*12+1.8

7.8=7.2+1.8

7.8=9 wrong

Plug in 4:

7.8=0.6*12+0.6

7.8=7.2+0.6

7.8=7.8 correct