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f(x)=(x+2)^34. The point (2, 4) is which of the following? A) An absolute maximum B) An absolute minimum C) A critical point but not an extremum D) Not a critical point E) None of these
I think the answer is C, am I right?
 one year ago
 one year ago
f(x)=(x+2)^34. The point (2, 4) is which of the following? A) An absolute maximum B) An absolute minimum C) A critical point but not an extremum D) Not a critical point E) None of these I think the answer is C, am I right?
 one year ago
 one year ago

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Dido525Best ResponseYou've already chosen the best response.1
Is this a calculs question or have you not learnt any calculus yet?
 one year ago

IdealistBest ResponseYou've already chosen the best response.0
A Calculus question and I take this class right now.
 one year ago

Dido525Best ResponseYou've already chosen the best response.1
You know to find a maximum or minimum you find the derivative right?
 one year ago

IdealistBest ResponseYou've already chosen the best response.0
Yes. But I wonder if C is the right answer. Do you must find the maximum and the minimum for this problem? If so, what to do after finding the derivatives?
 one year ago

Dido525Best ResponseYou've already chosen the best response.1
Okay, after you find the derivative, you set it equal to zero and solve for x.
 one year ago

Dido525Best ResponseYou've already chosen the best response.1
You substitute a number smaller than and a number bigger than x into the derivative.
 one year ago

Dido525Best ResponseYou've already chosen the best response.1
If the derivative changes from a  to a + the function has a local min. If the derivative changes from + to  the function has a local max.
 one year ago

Dido525Best ResponseYou've already chosen the best response.1
A critical number is where the value of x you find makes the derivative equal to 0 or makes it undefined.
 one year ago

Dido525Best ResponseYou've already chosen the best response.1
Okay I just did all the work out. You are correct :P .
 one year ago
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