3 years ago

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

1 answer:

5 0

Answer:

f(x) crosses the x-axis, then

f(x)=(x+4)^6(x+7)^5 = 0

=> x+4 =0 or x+7=0

=> x =-4 or x = -7

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