Question: Find the coordinates of the stationary points on the graph of the following functions, and find weather these points are maxima or minima. Attempt: ; minima Where did I go wrong?
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It would appear your error is in the use of the quadratic formula. Your quadratic is
Question: Find the coordinates of the stationary points on the graph of the following functions, and find weather these points are maxima or minima. Attempt: I don't know what to do next... answer in the text book is
Factor your quadratic or use the formula. Now, plug thjose values back into f(x) to get the y values. You had it, but just used the wrong values on the formula.
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