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mathcalculus
Group Title
HELP: Determine the values of where the tangent line is horizontal for the function:
 11 months ago
 11 months ago
mathcalculus Group Title
HELP: Determine the values of where the tangent line is horizontal for the function:
 11 months ago
 11 months ago

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zzr0ck3r Group TitleBest ResponseYou've already chosen the best response.0
take the derivative, and set it equal to zero
 11 months ago

mathcalculus Group TitleBest ResponseYou've already chosen the best response.0
then plug into original function?
 11 months ago

zzr0ck3r Group TitleBest ResponseYou've already chosen the best response.0
nope, it wants x values, so solve for = 0, and that's your answer
 11 months ago

mathcalculus Group TitleBest ResponseYou've already chosen the best response.0
oh ok.
 11 months ago

zzr0ck3r Group TitleBest ResponseYou've already chosen the best response.0
example f(x) = x^2 + 2x f'(x) = 2x+2 2x+2 = 0 x = 1 so f(x) has horizontal tangent at x = 1
 11 months ago

mathcalculus Group TitleBest ResponseYou've already chosen the best response.0
@zzr0ck3r thank you=]
 11 months ago

zzr0ck3r Group TitleBest ResponseYou've already chosen the best response.0
I will note that in most cases when they say "value" that implies y, but in this situation they said "x value".
 11 months ago

mathcalculus Group TitleBest ResponseYou've already chosen the best response.0
to take the derivative: we must use the power and quotient rule for this question right?
 11 months ago

mathcalculus Group TitleBest ResponseYou've already chosen the best response.0
i missed up on something, hats not coming out right..
 11 months ago
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