Question 986643
<pre>
----------------------------------------
 x=  | -3| -2| -1|  0|  1|  2|  3| 
-----|---|---|---|---|---|---|---|
f(x)=|-18| -8| -2|  0| -2| -8|-18|


Plot the points:              Connect them:

{{{drawing(200,600,-4,4,-20,4, graph(200,600,-4,4,-20,4),


circle(-3,-18,0.15),circle(-3,-18,0.13),circle(-3,-18,0.11),circle(-3,-18,0.09),circle(-3,-18,0.07),circle(-3,-18,0.05),circle(-3,-18,0.03),circle(-3,-18,0.01),

circle(-2,-8,0.15),circle(-2,-8,0.13),circle(-2,-8,0.11),circle(-2,-8,0.09),circle(-2,-8,0.07),circle(-2,-8,0.05),circle(-2,-8,0.03),circle(-2,-8,0.01),

circle(-1,-2,0.15),circle(-1,-2,0.13),circle(-1,-2,0.11),circle(-1,-2,0.09),circle(-1,-2,0.07),circle(-1,-2,0.05),circle(-1,-2,0.03),circle(-1,-2,0.01),

circle(0,0,0.15),circle(0,0,0.13),circle(0,0,0.11),circle(0,0,0.09),circle(0,0,0.07),circle(0,0,0.05),circle(0,0,0.03),circle(0,0,0.01),

circle(1,-2,0.15),circle(1,-2,0.13),circle(1,-2,0.11),circle(1,-2,0.09),circle(1,-2,0.07),circle(1,-2,0.05),circle(1,-2,0.03),circle(1,-2,0.01),

circle(2,-8,0.15),circle(2,-8,0.13),circle(2,-8,0.11),circle(2,-8,0.09),circle(2,-8,0.07),circle(2,-8,0.05),circle(2,-8,0.03),circle(2,-8,0.01),

circle(3,-18,0.15),circle(3,-18,0.13),circle(3,-18,0.11),circle(3,-18,0.09),circle(3,-18,0.07),circle(3,-18,0.05),circle(3,-18,0.03),circle(3,-18,0.01) )}}}  {{{drawing(200,600,-4,4,-20,4, graph(200,600,-4,4,-20,4,-2x^2),


circle(-3,-18,0.15),circle(-3,-18,0.13),circle(-3,-18,0.11),circle(-3,-18,0.09),circle(-3,-18,0.07),circle(-3,-18,0.05),circle(-3,-18,0.03),circle(-3,-18,0.01),

circle(-2,-8,0.15),circle(-2,-8,0.13),circle(-2,-8,0.11),circle(-2,-8,0.09),circle(-2,-8,0.07),circle(-2,-8,0.05),circle(-2,-8,0.03),circle(-2,-8,0.01),

circle(-1,-2,0.15),circle(-1,-2,0.13),circle(-1,-2,0.11),circle(-1,-2,0.09),circle(-1,-2,0.07),circle(-1,-2,0.05),circle(-1,-2,0.03),circle(-1,-2,0.01),

circle(0,0,0.15),circle(0,0,0.13),circle(0,0,0.11),circle(0,0,0.09),circle(0,0,0.07),circle(0,0,0.05),circle(0,0,0.03),circle(0,0,0.01),

circle(1,-2,0.15),circle(1,-2,0.13),circle(1,-2,0.11),circle(1,-2,0.09),circle(1,-2,0.07),circle(1,-2,0.05),circle(1,-2,0.03),circle(1,-2,0.01),

circle(2,-8,0.15),circle(2,-8,0.13),circle(2,-8,0.11),circle(2,-8,0.09),circle(2,-8,0.07),circle(2,-8,0.05),circle(2,-8,0.03),circle(2,-8,0.01),

circle(3,-18,0.15),circle(3,-18,0.13),circle(3,-18,0.11),circle(3,-18,0.09),circle(3,-18,0.07),circle(3,-18,0.05),circle(3,-18,0.03),circle(3,-18,0.01) )}}}  

Edwin</pre>