Q)
(chatquestion)...For the graph of y = 3x* +16x'+24x? -6
11
a.determine the intervals on which the graph is concave upwards and
concave downwards.
(-2-)
-2,-
,0,downwards
Answer: Upwards (-0,-2)
2 14
b.find the points of inflexion.
3 27
(0,-6) local min point
c.determine the extremum point and its nature.
Hence sketch the graph of y = 3x +16x'+24x-6
...
