Describe what the graph of a system of equations looks like when it has

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

Which table represents a linear function? i'll give brainliest to first answer ^'^

Which will form a composite function?