Which ordered pair is represented by the red point shown?

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

Three times the sum of a number and seven is negative thirty-six. what is the number?

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g