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anonymous
 one year ago
Help please?
anonymous
 one year ago
Help please?

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03 turning points, should be interesting!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I have no idea how to start it. Should I derive it first and then find the values?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@mukushla was right, f'(x)=0 at the turning point

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2can you find \[\frac{ d }{ dx }f(x)\]

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2that expression will give you the slope of any tangent line to the curve at a point

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0When I derive it I got 6x^2+12x

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2You just have to remember, \[\frac{ d }{ dx }[x^n]= n*x ^{n1}\]

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2right, now set that slope expression to what they want, zero

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2horizontal line, zero slope

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2(6x)(x+2) = 0 x can be 2 values , each quantity zero

DanJS
 one year ago
Best ResponseYou've already chosen the best response.26x=0 or x+2=0 horizontal tangent line

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2use those x values in the original f(x) and find out each corresponding y value (x,y)

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2or nvermind, they dont want it

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You get all 3 values Dan?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2it is a cubic function , it turns around 2 times,

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0So it would be 2 and 0?

DanJS
 one year ago
Best ResponseYou've already chosen the best response.2Take first derivative, set that expression to zero, solve for the values of x for each tangent line if they exist

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Alright thank you so much!

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0as usual, well done @DanJS
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