3 years ago

I are these orders pairs a function х,у 0,9 2,8. 4,7 6,6 8,5 10,4

Mathematics

1 answer:

ICE Princess25 [194]3 years ago

4 0

9514 1404 393

Answer:

yes

Step-by-step explanation:

No x-value is repeated, so these ordered pairs do represent a function.

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Answer:

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Step-by-step explanation:

Given: u=(-8,8) , v= (-1,2)

To find: vectors $w_1,w_2$ such that $u=w_1+w_2$

Solution:

A vector is a quantity that has both magnitude and direction.

$proj_vu=\frac{u\cdot v}{\left | v \right |^2}(v)\\=\frac{(-8,8)\cdot (-1,2)}{(\sqrt{ (-1)^2+2^2})^2}(-1,2)\\=\frac{8+16}{5}(-1,2)\\=\frac{1}{5}(-24,48)\\=(-4.8,9.6)$

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