2 years ago

7x = -63 - 11y 8x = 93 + 11y

Mathematics

1 answer:

Irina18 [472]2 years ago

7 0

Y=mx+b now just re do them

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NikAS [45]

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Step-by-step explanation:

So we have the piecewise function:

$f(x)= \begin{cases}\sqrt{2x} & \text{if }x$

And we want to find f(8).

Since our input value is 8, choose the equation that fits our input.

The first equation demand x to be less than 3. 8 is not less than 3, so we won't use that.

The second equation demand x to e greater than or equal to 3 and less than 8. 8 is <em>not</em> less than 8. So, we won't use that.

The third equation demands x to be greater than or equal to 8. 8 is greater than or equal to 8, so we'll use the third equation.

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There're nothing more to do, we're done :)

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Edit: Improved Format

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