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Ksenya-84 [330]

4 years ago

8

Is 3y = x a function?

2 answers:

Evgen [1.6K]4 years ago

5 0

<span>Is 3y = x a function?

</span> $3y= x \\ \\ y= \frac{x}{3} \\ \\ \boxed{y= \frac{1}{3}x}$ <span>
</span>

leonid [27]4 years ago

5 0

A function defines one variable in terms of another.

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3 years ago

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nasty-shy [4]

Answer:

$A * B = \left[\begin{array}{ccc}10&-6\\8&5\\19&-10\end{array}\right]$

Step-by-step explanation:

Given

$A =\left[\begin{array}{cc}2&-2\\3&4\\4&-3\end{array}\right]$

$B = \left[\begin{array}{cc}4&-1\\-1&2\end{array}\right]$

Required

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To do this, we simply multiply the rows of A by the column of B;

So, we have:

$A * B = \left[\begin{array}{ccc}2*4 + -2*-1&2*-1+-2*2\\3*4+4*-1&3*-1+4*2\\4*4-3*-1&4*-1-3*2\end{array}\right]$

$A * B = \left[\begin{array}{ccc}10&-6\\8&5\\19&-10\end{array}\right]$

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