(a) Determine the values in the table

x -2 -1 0 1 2 3
y -6 -2 0 0 -2 -6

(b) Plot these points

math expression

(c) Since y = 0 for both x = 0 and x = 1,

check what happens in between.

ie. for x = math expression, we find that y = math expression .

(d) Indicate that the curve continues.