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 one year ago
HELP: Determine the values of where the tangent line is horizontal for the function:
 one year ago
HELP: Determine the values of where the tangent line is horizontal for the function:

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zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.0take the derivative, and set it equal to zero

mathcalculus
 one year ago
Best ResponseYou've already chosen the best response.0then plug into original function?

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.0nope, it wants x values, so solve for = 0, and that's your answer

zzr0ck3r
 one year ago
Best ResponseYou've already chosen the best response.0example f(x) = x^2 + 2x f'(x) = 2x+2 2x+2 = 0 x = 1 so f(x) has horizontal tangent at x = 1

mathcalculus
 one year ago
Best ResponseYou've already chosen the best response.0@zzr0ck3r thank you=]

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

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

mathcalculus
 one year ago
Best ResponseYou've already chosen the best response.0i missed up on something, hats not coming out right..
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