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Mathematics 18 Online
OpenStudy (anonymous):

are the critical numbers of 4x^3-42x^2+5 0 and 3?

OpenStudy (anonymous):

Back to basic calculus. The method is the same: First find the derivative of the function. Second make it equal to 0. Third solve the equation. In this case you will get 2 solutions, and that is your solution.

OpenStudy (anonymous):

The solutions will be 0,7

OpenStudy (anonymous):

@Andras thats not one of the answer choices... i got that the first time too.

OpenStudy (anonymous):

You are clever than :) Trust your brain

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