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3 years ago

Plz help will be greatly apreciated

Mathematics

1 answer:

olasank [31]3 years ago

8 0

A. Is a function B. Is not. The way you tell us you draw straight lines through the graph if any of the lines intersect with the thing plotted more than once it’s not a function, if it only intersects once it’s a function.

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Step-by-step explanation:

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How do you write 7.482 in words?

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Read 2 more answers

How are the entries of the matrix named by position?

4vir4ik [10]

Matrix are used to represent numbers in rows and columns.

The position of the matrix elements are:

$\mathbf{7 \to a_{21}}$
$\mathbf{-5 \to a_{34}}$
$\mathbf{-1 \to a_{12} }$

Matrix elements are named using the row and column, the element belongs to.

For instance:

The name of an element in the third row and fifth column of a matrix b is $\mathbf{ b_{35}}$

Using the above explanation, the name of 7, -5 and -1 is as follows;

7 belongs to row 2 and column 1

So, the name is: $\mathbf{ a_{21}}$

$\mathbf{7 \to a_{21}}$

-5 belongs to row 3 and column 4

So, the name is: $\mathbf{ a_{34}}$

$\mathbf{-5 \to a_{34}}$

-1 belongs to row 1 and column 2

So, the name is: $\mathbf{ a_{12}}$

$\mathbf{-1 \to a_{12} }$

Read more about position of matrix at:

brainly.com/question/17409182

7 0

2 years ago