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anonymous
 5 years ago
just wan to ask if i am right. y = x^3  3x + 5 so that x = 4, what rate is y changing?
I got 45 a answer any one can confirm this?
anonymous
 5 years ago
just wan to ask if i am right. y = x^3  3x + 5 so that x = 4, what rate is y changing? I got 45 a answer any one can confirm this?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0how? can you please explain

nikvist
 5 years ago
Best ResponseYou've already chosen the best response.0very simple, put x=4 in equation and you will get y=57

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i see thanks. i that. so the rate of change is 9? 5745 = 9
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