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HELP: Determine the values of where the tangent line is horizontal for the function:
 8 months ago
 8 months ago
HELP: Determine the values of where the tangent line is horizontal for the function:
 8 months ago
 8 months ago

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zzr0ck3rBest ResponseYou've already chosen the best response.0
take the derivative, and set it equal to zero
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
then plug into original function?
 8 months ago

zzr0ck3rBest ResponseYou've already chosen the best response.0
nope, it wants x values, so solve for = 0, and that's your answer
 8 months ago

zzr0ck3rBest 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
 8 months ago

mathcalculusBest ResponseYou've already chosen the best response.0
@zzr0ck3r thank you=]
 8 months ago

zzr0ck3rBest 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".
 8 months ago

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

mathcalculusBest ResponseYou've already chosen the best response.0
i missed up on something, hats not coming out right..
 8 months ago
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