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3 years ago

11

What’s an injective function?

2 answers:

uranmaximum [27]3 years ago

8 0

Answer:

In mathematics, an injective function is a function that maps distinct elements of its domain to distinct elements of its codomain is the image of at most one element

Tanya [424]3 years ago

3 0

Answer:

an Injective function is a function that maps distinct elements of its domain to distinct elements of its codomain. In other words, every element of the function's codomain is the image of at most one element of its domain.

Step-by-step explanation:

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The rectangle below has an area of x^2+8x+15x

Darina [25.2K]

Answer:

The length of the rectangle is x+5.

Step-by-step explanation:

Given : The rectangle below has an area of $x^2+8x+15$ square meter and a width of $x+3$ meter.

To find : What expression represents the length of the rectangle?

Solution :

The area of the rectangle is given by,

$\text{Area}=\text{Length}\times \text{Breadth}$

$\text{Area}=x^2+8x+15$

$\text{Breadth}=x+3$

$x^2+8x+15=\text{Length}\times(x+3)$

$\text{Length}=\frac{x^2+8x+15}{x+3}$

$\text{Length}=\frac{(x+5)(x+3)}{x+3}$

$\text{Length}=x+5$

Therefore, the length of the rectangle is x+5.

7 0

3 years ago

In the figure, if CD = 15 cm, then BC ≈ cm.

Alona [7]

Check the picture below.

make sure your calculator is in Degree mode, since the angles are in degrees.

3 0

3 years ago

Read 2 more answers

Is (0,0) a solution to 6x - 7y > 20 please include the steps!

leonid [27]

Answer:

No.

Step-by-step explanation:

To determine if (0,0) is a solution to the inequality, substitute 0 for x and 0 for y and check to see. Thus:

$6x-7y>20$

Substitute 0 for x and 0 for y:

$6(0)-7(0)\stackrel{?}{>}20$

Multiply:

$0-0\stackrel{?}{>}20$

Subtract:

$0\not>20$

So, (0,0) is <em>not</em> a solution.

And we're done!

8 0

3 years ago

Read 2 more answers

Im confused can you please write abcde

Karolina [17]

Answer:

abcde

Step-by-step explanation:

that was very hard, I deserve brainlyest

5 0

3 years ago

J is 14 less than 22 as an equation<br> with what j=

Olegator [25]

22 - 14 = 8

so i think j = 8

4 0

3 years ago