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Evgen [1.6K]
1 year ago
15

Can someone help me with this please

Mathematics
1 answer:
Firdavs [7]1 year ago
6 0

Answer:

D

Step-by-step explanation:

A function input can only have ONE output value

so the number 5 can't output two different numbers

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Please help with 1 Math question!!!
musickatia [10]

For this case we must solve the following quadratic equation:

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Where:

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x = \frac {- (- 5) \pm \sqrt {(- 5) ^ 2-4 (1) (- 8)}} {2 (1)}\\x = \frac {5 \pm \sqrt {25 + 32}} {2}\\x = \frac {5 \pm \sqrt {57}} {2}

In this way we have two roots:

x_ {1} = \frac {5+ \sqrt {57}} {2}\\x_ {2} = \frac {5- \sqrt {57}} {2}

Answer:

x_ {1} = \frac {5+ \sqrt {57}} {2}\\x_ {2} = \frac {5- \sqrt {57}} {2}

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3 years ago
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Step-by-step explanation:

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