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Andrews [41]
3 years ago
13

( 3u + 7 )( 5 - u )= 0​

Mathematics
1 answer:
mixas84 [53]3 years ago
5 0

Answer:

The answer is 484. Please let me know if it helped you.

Step-by-step explanation:

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F(x)= √x-5. find f-2
rodikova [14]

For this case we have:

Be a function of the form y = f (x)

Where:

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If we want to find f (-2), we substitute x = -2, then:

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Since we have a negative root, the result will be given by complex numbers. By definition:

\sqrt {-1} = i

So:

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Answer:

f (-2) = \sqrt {7} i


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