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Mathematics 20 Online
OpenStudy (precal):

given a graph of f(x), approximate the value of f ' (4)

OpenStudy (precal):

jimthompson5910 (jim_thompson5910):

You want to find the slope of this red tangent line

OpenStudy (precal):

oh wait forget it they just want the slope

jimthompson5910 (jim_thompson5910):

yeah exactly

OpenStudy (precal):

thanks

jimthompson5910 (jim_thompson5910):

np

OpenStudy (precal):

sorry I don't know what I am thinking today or in this case not thinking

OpenStudy (precal):

@jim_thompson5910 actually can't see either. The question is f ' (-4) duh, it is zero because it is horizontal tangent Thanks again

jimthompson5910 (jim_thompson5910):

yep f ' (-4) = 0

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