Using graphing, what is the approximate solution of this equation?

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

Multiplying an even number of negative numbers gives an answer that is choose from:

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft