20 POINTS!

If the two equations are graphed, at what point do the lines representing the two equations intersect?

y = -x + 1
y = 1/2x + 4

(-3, 2)
(-2, 3)
(3, -2)
(-3, -2)

Derek purchased a new gym membership. it costs him seven dollars a month plus two dollars for every time that he visits the gym. he wants to spend less than 25 dollars a month to visit the gym. write an inequality that models the situation using the variable v for the number of visits per month. also find the maximum number of visits he can make to the gym and still keep his cost below 25 dollars a month.