Plz help me some plz, i posted this question 1000 times plz some one answer, thank you so much plzz show all the working i really appreciate GOD BLESS YOU

Question and answers are in the attached picture. you so much in advance.

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Is it true or false i’m trying to pass this test so i can leave school