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was the last answer wrong?
hkd d d d d d d dddddd i
I'm nut sure but did you check all the graphs to make sure your first answer was correct
oops! I misspelled not to nut,
satellite where you at?
i only saw three graphs. are there more?
there 5 graphs to choose from
ok it is still b i think
you know that the second derivative is always positive. this tells you that the function is always concave up
4 and 5 both have parts that are concave down. so they are out as well.
yeah i see them now. 3, 4, 5 all have parts that are concave down, but you are told that \[f''(x)>0\] for all x not equal 0, so your function must be concave up
only 1 and 2 are always concave up, so it has to be the second one for the reason i stated earlier
Thanks I could you help me on a similar problem dealing with finding the relative minimum on a graph
Relative min is where the function changes from decreasing to increasing, or where the derivative changes from negative to positive.