Michonne's phone service charges $18.09 for an activation fee plus $2 for every gigabyte(g) used. which of the following graphs models the situation?

Given

Michonne's Phone service charges $18.09 for an activation fee plus $2 for every gigabyte(g) used

Show the graph model for the above sitution.

To proof

As  given in the question

Michonne's Phone service charges = $18.09

activation fee plus  for every gigabyte(g) used = $2

let the gigabyte used be = x

let the total charges of phone = y

Than the equation become in the form

18.09 + 2x =y

the graph is shown as below.

Hence proved