Find the domain of the following relation

r={(19,96), (20,101), (21,106), (22,111)}

Which of the following lines is not parallel to the graph of y = 4x +7?

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

The functions f(x) and g(x) are shown in the graph f(x)=x^2 what is g(x) ?