Can someone help me with this

  lower-right (see attached)

Step-by-step explanation:

We notice the y-variable has a positive coefficient in both equations, so we need only look at that in relation to the inequality symbol:

  y ≥ ... ⇒ shading will be above a solid line

  y < ... ⇒ shading will be below a dashed line

__

A dashed line shows up only in the first and last choices. Shading above only shows up in the last choice.

45

step-by-step explanation:

30+15

i think is g(1)=-1.

hope that i can