Which set of values is a function? A. 2, -2) (5, 9) (5, -7) (1, 4)

B. (3,4) (4,-3) (7,4) (3, 8)

C. (6,-5) (7, -3) (8, -1) (9, 1)

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Ihave trouble finding the nth term of a linear sequence

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.