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Home > CALC > Chapter 8 > Lesson 8.3.3 > Problem 8-129


Multiple Choice: Given , then is concave up for …

  1. no values of

  1. or

Recall that candidates for points of inflection occur where the 2nd-derivative equals zero AND where the 2nd-derivative does not exist.

After you identify where and where DNE, check the regions before, after and between those candidates: if , then is concave up.