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Shtirlitz [24]
3 years ago
15

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

Mathematics
2 answers:
ddd [48]3 years ago
6 0

Answer:

-7

Step-by-step explanation:

The equation is simplified so there are two possible answers here, -4 and -7

There is a root where y = 0 and x = a number

At -4 and -7 y = 0

However at -4 the function bounces since the (x+4) is raised to the 6th power.

When you have an even power, the function bounces at the x-axis, and when you have an odd power the function goes through the x-axis.

Since you can only choose one answer, the logical answer would be -7.

At x = -7, y = 0 and the function crosses the x-axis.

At x = -4, y = 0 but the function bounces on the x-axis.

The logical answer here is -7.

Sindrei [870]3 years ago
4 0

Answer:

Step-by-step explanation:

=4

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Answer:

Mid point:

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Step-by-step explanation:

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