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HW-Class-26: Problem 13 [2 points} Let x] = ln{x4 + 432) . Answer the following questions. Find the intervas} on which 3" is increasing. Answer n...

Screen Shot 2018-04-02 at 10.29.36 AM.pngHi I tried doing this problem using a graphing calculator, but I was wondering if it's possible to find local maxima and minima without using a graphing calculator?

Screen Shot 2018-04-02 at 10.29.36 AM.png

HW-Class-26: Problem 13 [2 points} Let flx] = ln{x4 + 432) . Answer the following questions. 1. Find the intervafls} on which 3“ is increasing.
Answer fin interval notation}: {UJNF} 2. Find the intervafls} on which f is decreasing.
Answer fin interval notation}: {-Inf.fl} 3. Find the local maxima off. List your answers as points In the form (a. in).
Answer (separate by commas}: 4. Find the local minima of f List your answers as points In the term (a. b].
Answer (separate by commas]: {0.0.6} 5. Find the intervafls} on which 3“ is concave upward.
Answer fin interval mutation}: E. Find the intervafls} on which 3“ is concave downward.
Answer fin interval notation}:

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