Exit Ticket: Use finite differences to determine whether each of the
tables below represent a linear or quadratic function. If linear
determine whether the function is increasing or decreasing. If
quadratic, determine whether the functions opens upward or
downward
Ex 1: Determine whether each data set could
represent a quadratic function. Explain
X 1 3 5 7 9

Y -1 1 7 17 31

X 3 4 5 6 7

Y 1 3 9 27 81

17
31
Y1
3
9
27
81