Question: how to solve Consider the function g (x ) = x + 4x - 5. Which of the following methods will correctly determine the local

how to solve

Consider the function g (x ) = x + 4x - 5. Which of the following methods will correctly determine the local minimum of g (x)? Choose only ONE best answer. A Solveg' (x) = 2x + 4 = 0 to find x = -2, then substitute back into g ( x ). B Calculate g' '( x ) to find concavity and determine if x = - 2 is a maximum or minimum. C Evaluate g ( x ) at several points near x = - 2 and compare values. D All of the above

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