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Mathematics 20 Online
OpenStudy (cookiimonster627):

What are the extreme values of f(x)= x^4-4x^3-x^2+12x-2

OpenStudy (cookiimonster627):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

are you in calculus class?

OpenStudy (cookiimonster627):

yes.

jimthompson5910 (jim_thompson5910):

ok what is f ' (x) equal to

OpenStudy (cookiimonster627):

f(x)= x^4-4x^3-x^2+12x-2

jimthompson5910 (jim_thompson5910):

I'm asking about the derivative of f(x)

OpenStudy (cookiimonster627):

is it 2

jimthompson5910 (jim_thompson5910):

the derivative of f(x) ?

OpenStudy (cookiimonster627):

I think

jimthompson5910 (jim_thompson5910):

no

jimthompson5910 (jim_thompson5910):

I'm guessing your teacher hasn't gotten to derivatives yet in the lesson?

OpenStudy (cookiimonster627):

no not yet

jimthompson5910 (jim_thompson5910):

ok this page may help http://www.intmath.com/differentiation/5-derivative-polynomials.php

OpenStudy (cookiimonster627):

I got -48

OpenStudy (cookiimonster627):

@campbell_st could you help

OpenStudy (campbell_st):

well if you don't know about differentiation then you could graph the curve and identify the extreme values use this site to graph the curve https://www.desmos.com/calculator

OpenStudy (cookiimonster627):

I got the graph already. Are the points the extreme values?

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