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At which root does the graph f(x)= (x+4)^6(x+7)^5 cross the x axis
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At which root does the graph f(x)= (x+4)^6(x+7)^5 cross the x axis

User Isak La Fleur
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2 Answers

2 votes

If you're from Edg it would be answer

A: -7

User Mark Thistle
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It crosses or touches the x-axis when y=0, so any value of x which makes this true would be a "root".  In this case x=-4 or -7 would be points where f(x) touches the x-axis.
User Strikegently
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