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OpenStudy (anonymous):
Complete the following. (a) Use the vertex formula to find the vertex of the graph of f(x) = 1/2x^2+4. (b) Find the intervals where f is increasing and where f is decreasing. (a) The vertex of the graph of f(x) = 1/2x^2+4 is?
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OpenStudy (anonymous):
vertex is \[(0,4)\] and all other answers come from that one
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