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OpenStudy (anonymous):
I just need my answer confirmed: Find the derivative of f(x) = -4x2 + 11x at x = 10. =-69
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OpenStudy (primeralph):
Show your steps.
OpenStudy (anonymous):
You are correct. The derivative is -8x + 11 -8(10) +11 = -69 =D
OpenStudy (anonymous):
I plugged it into my calculator.
OpenStudy (primeralph):
@Loveiskey18 Won't learn that way.
OpenStudy (anonymous):
@piglet9 it's 11x, not 11.
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OpenStudy (anonymous):
-8(10) = -80 11(10) = 110 -80+110 = 30
OpenStudy (anonymous):
@primeralph ?
OpenStudy (anonymous):
@Loveiskey18 the derivative is 11 not 11x.....
OpenStudy (anonymous):
Oh okay, makes sense.
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