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ta123
 4 years ago
need help on the attachment
ta123
 4 years ago
need help on the attachment

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satellite73
 4 years ago
Best ResponseYou've already chosen the best response.0was the last answer wrong?

ta123
 4 years ago
Best ResponseYou've already chosen the best response.1I'm nut sure but did you check all the graphs to make sure your first answer was correct

ta123
 4 years ago
Best ResponseYou've already chosen the best response.1oops! I misspelled not to nut,

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.0i only saw three graphs. are there more?

ta123
 4 years ago
Best ResponseYou've already chosen the best response.1there 5 graphs to choose from

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.0ok it is still b i think

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.0you know that the second derivative is always positive. this tells you that the function is always concave up

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.04 and 5 both have parts that are concave down. so they are out as well.

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.0yeah 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

satellite73
 4 years ago
Best ResponseYou've already chosen the best response.0only 1 and 2 are always concave up, so it has to be the second one for the reason i stated earlier

ta123
 4 years ago
Best ResponseYou've already chosen the best response.1Thanks I could you help me on a similar problem dealing with finding the relative minimum on a graph

GoBlue
 4 years ago
Best ResponseYou've already chosen the best response.0Relative min is where the function changes from decreasing to increasing, or where the derivative changes from negative to positive.
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