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MA_775_DIABLO [31]

4 years ago

9

Is the following graph a function

1 answer:

daser333 [38]4 years ago

7 0

You can use the vertical line test to determine if the graph is a function.

A function must: for every x value have only one y value.

Vertical line test: if you draw a bunch of vertical lines each line only touches the graph once.

So a circle would not be a function, or a horizontally facing parabola, etc... Remember, if you draw a vertical line "|" and it touches the graph more than once at any point then it is not a function.

Now take a look at the graph in the question.
In this graph if we do the vertical line test there are no place where a vertical line touches the graph twice so this graph is indeed a function.

This means your answer is C. Yes

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BD is the angle bisector of

AlexFokin [52]

Note: Let us consider, we need to find the $m\angle ABC$ and $m\angle DBC$ .

Given:

In the given figure, BD is the angle bisector of ABC.

To find:

The $m\angle ABC$ and $m\angle DBC$ .

Solution:

BD is the angle bisector of ABC. So,

$m\angle ABD=m\angle DBC$

$3x=x+20$

$3x-x=20$

$2x=20$

Divide both sides by 2.

$x=\dfrac{20}{2}$

$x=10$

Now,

$m\angle DBC=(x+20)^\circ$

$m\angle DBC=(10+20)^\circ$

$m\angle DBC=30^\circ$

And,

$m\angle ABC=(3x)^\circ+(x+20)^\circ$

$m\angle ABC=(4x+20)^\circ$

$m\angle ABC=(4(10)+20)^\circ$

$m\angle ABC=(40+20)^\circ$

$m\angle ABC=60^\circ$

Therefore, $m\angle DBC=30^\circ,m\angle ABD=30^\circ$ and $m\angle ABC=60^\circ$ .

8 0

3 years ago

What is the value of (1/8)^2, please help... ASAP

dmitriy555 [2]

That means 1/8 times itself 2 times so
1/8 times 1/8=(1 times 1)/(8 times 8)=1/64

3 0

3 years ago

Which system of equations has no solutions?

Rama09 [41]

The second graph I believe if not some else will try to help.

6 0

3 years ago

Read 2 more answers

Help help help help help

Ugo [173]

Answer:

I'm pretty sure it's c but I'm not sure

8 0

3 years ago

PLEASE HELP‼️‼️ILL MARK BRAINLYEST ‼️‼️I MEAN IT PLEASE ‼️‼️‼️‼️‼️‼️‼️15 POINTS PLEASE ‼️‼️

adell [148]

Answer:

1. Yes; 2. Yes ; 3. No; 4. Yes

Step-by-step explanation:

The proportion will have to be read the same way. For example top Δ bottom to the lower Δ bottom (locate in the same place)

14/21 = 6 /9 Yes because the top Δ bottom to lower Δ bottom = top side to

lower same side

13.5/21 = 9/ 14 Yes because the same two sides to the same two sides in

the lower Δ

9/13.5 = 6 21 No because top Δ side to lower Δ same location but the

second one top Δ side to the lower bottom

14 /6 = 21/6 Yes because top Δ bottom to top side = lower Δ bottom to

lower side (in the same place)

8 0

3 years ago