The ordered pairs (1, 81), (2, 100), (3, 121), (4, 144), and (5, 169) represent a function. What is a rule that represents this function?

1 answer

Did you notice all the y values are perfect squares

when x=1 , y = (1 + 8)^2
when x=2, y = (2+8)^2
when x=3, y = (3+8)^2
...

mmmhhhh?