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

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

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

Idealist
 3 years 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
 3 years 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
 3 years 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
 3 years 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
 3 years 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
 3 years 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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