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Mathematics 13 Online
KyledaGreat:

Consider the following function.

m4nt1c0r3:

Is there more to the question?

KyledaGreat:

yes

KyledaGreat:

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KyledaGreat:

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KyledaGreat:

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m4nt1c0r3:

alright so whats the parent function

KyledaGreat:

(X + 5)^3

surjithayer:

basic function is \[f(x)=\frac{1}{x^2}\]

KyledaGreat:

ok , which ones are right ?

KyledaGreat:

@snowflake0531

KyledaGreat:

@tranquility

KyledaGreat:

@vocaloid

KyledaGreat:

@snowflake

lowkey:

Parent function is y=1/x^2. To look at whether they shifted up or down (vertically) or across (horizontally) it is important to know how this graph works. When a graph has any number outside of the actual variable such as the 2 in 6x-2, or the 5 in x^2+5, it means that it is performing a vertical shift. All it simply is doing is, it is shifting up and down. if negative, it shifts down vertically, and positive will shift up vertically. When a number such as (x-2)^2, the 2 WITH the x variable that is being added or subtracted is the horizontal stretch. let's consider an equation: \[1/(x+5)^2\] This is a horizontal stretch. However, it says (x+5), so you would move left 5 times. if it had said (x-5) it would move right 5 times. Lastly, if there is a negative or positive sign behind the whole equation, it is a reflectional change. Negative will flip the whole equation beside the x axis, and you would keep it standard if positive.

KyledaGreat:

really

lowkey:

Huh?

KyledaGreat:

for what you said

lowkey:

yes. lol.

KyledaGreat:

ok can you check if my answers right

lowkey:

Yep

KyledaGreat:

Horizontal Shift Left and 5 units correct ?

lowkey:

Yes

KyledaGreat:

Vertical Stretch/Compress Stretch 4 units

KyledaGreat:

is that correct

lowkey:

Where did you get four from

KyledaGreat:

in the graph , i saw the wrong place

KyledaGreat:

i think

KyledaGreat:

it was a compress i believe

lowkey:

There is no four in this post you posted a pic of.

KyledaGreat:

oh i'm sorry , i had the answer wrong on there ... could you point it out to me to know what it is

lowkey:

What number is in that equation other than the 5

KyledaGreat:

3

lowkey:

What is done to that 3?

KyledaGreat:

-

KyledaGreat:

subtracted

lowkey:

So what would that mean

KyledaGreat:

it's -3

lowkey:

yes, so what does that do to the graph?

KyledaGreat:

ummm

lowkey:

It would shift the graph vertically down by 3

KyledaGreat:

okay , i got that x axis is no y axis is yes correct ?

lowkey:

No, the negative out front is a reflection on the x axis

KyledaGreat:

oh my mistake

KyledaGreat:

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KyledaGreat:

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KyledaGreat:

is it right

lowkey:

Yes

KyledaGreat:

ok i need help on something else

lowkey:

I'm doing homework atm. But feel free to make a new post.

KyledaGreat:

okay i understand

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