PLEASE HELP FAST!! PLS :))) Is the set of ordered pairs a function? Explain why or why not. EXPLAIN WHY :))

{(1,3),(2,5),(3,7),(1,7)}*

if this is really you s much. i only have 3 points left and i have 2 questions to ask

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

answer: y = -2.5x - 15

              (-6,0)

step-by-step explanation: