swin2013
f(x) = 8 + 2x  x^2



This Question is Closed

swin2013
Best Response
You've already chosen the best response.
0
intervals where f(x) is concave up and intervals where f(x) is concave down?

swin2013
Best Response
You've already chosen the best response.
0
f''(x) = 2

yrelhan4
Best Response
You've already chosen the best response.
2
If f '' (x)>0, then the function is concave up.
If f ''(x)<0, then the function is concave down.
so its concave down from (infinity, infinity)

swin2013
Best Response
You've already chosen the best response.
0
ohhh oook!!!! thanks!