Given the equation p=2n-3,what is p when =3

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

If you could answer these your a life saver

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1