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 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
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?

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Dido525
 one year ago
Best ResponseYou've already chosen the best response.1Is this a calculs question or have you not learnt any calculus yet?

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

Dido525
 one year ago
Best ResponseYou've already chosen the best response.1You know to find a maximum or minimum you find the derivative right?

Idealist
 one year ago
Best ResponseYou've already chosen the best response.0Yes. 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?

Dido525
 one year ago
Best ResponseYou've already chosen the best response.1Okay, after you find the derivative, you set it equal to zero and solve for x.

Dido525
 one year ago
Best ResponseYou've already chosen the best response.1You substitute a number smaller than and a number bigger than x into the derivative.

Dido525
 one year ago
Best ResponseYou've already chosen the best response.1If 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.

Dido525
 one year ago
Best ResponseYou've already chosen the best response.1A critical number is where the value of x you find makes the derivative equal to 0 or makes it undefined.

Dido525
 one year ago
Best ResponseYou've already chosen the best response.1Okay I just did all the work out. You are correct :P .
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