aamori1 aamori1

22-06-2020
Mathematics

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

at which root does the graph of fxx46x75 cross the x axis class=

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PollyP52 PollyP52

22-06-2020

Answer:

-7.

Step-by-step explanation:

At the point -4 the graph just touches the x axis ( as its an even power) but at x = -7 it crosses the x axis ( because of the odd power 5).

The graph rises from the left and pass through the x axis at (-7,0).

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29-10-2020

Answer would be A: -7

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