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September 23, 2014

September 23, 2014

Posted by **Lucy** on Saturday, August 23, 2008 at 2:15pm.

Answer: f(x) decreases for x >-2

2) Which type of critical point, if any, is present in the graph of f(x)=(x-4)^5+1

Answer: none

- Pre-calculus-check answers -
**drwls**, Saturday, August 23, 2008 at 8:05pm1) df/dx = 3x^2 -12 = 2(x+2)(x-2)

There are critical points (where the derivative is zero) at x = +2 and -2. x=2 is a relative minimum. f(x) increases (when x increases) for x > +2 and decreases for

-2 < x < 2

2) That equation has an absolute minimum at x = 4.

- Pre-calculus-check answers -
**Anonymous**, Tuesday, January 10, 2012 at 9:55pmbewbs

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