2 years ago

Write an inequality that represents the graph below.

Mathematics

1 answer:

Eduardwww [97]2 years ago

3 0

Answer:

x ≤ -2

Step-by-step explanation:

The arrow is going left meaning. It is less than -2. A closed dot means "or equal to". A open dot means" greater than/less than"(normal).

You can ask me to explain further if you need me to!! :)

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Answer:

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f(-1) = 4

___

IMO, in this function it is far easier just to substitute -1 for x. Since the only terms are of even degree, the value of f(-1) is the sum of the coefficients:

f(-1) = -1 +1 +4

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