What is a Function? explained in a song!

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Function- what is a function?
You put a value in and you get a value out
Function, what is a function,
y and f(x) it can be called

The function is the relationship between y and x
X is independent(you can make it what you want)
Y is your result, it is purely based on x
Each pair of values can be written as (x, y)

To find a y value when you’re given x
Plug in your x value wherever you see x
Order of operations then left to right
At the end of it all, you’ll get your y

To graph an entire function
Create a table of x values
Plug in your xs into the equation
To get your ys

Now you have many x, y pairs
Plot them on the coordinate grid
Draw a line connecting them all

Functions have many forms
They can be curves or lines
But there can only be 1 x for 1 y
If the ys for an x is more than 1,
You do not have a function

Song and video by Swetha Tandri

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I was searching for practice EOCs because I always get anxious thinking about the EOC, This playlist has helped me in an unexplainable way! Thank you so

RiyaaRoshiniSelvaraj

Thank you so much, as a 8th grader taking algebra, this helps review so much, especially the fact my teacher like to use paper for her notes :, 0 (so many notes). Thank you so much for helping me for my upcoming EOC.

abbybabby

We started a new unit and this is so helpful! Thank you!

sonshalohmror

omg this was so helpful tysm i literally do not understand this until now! im currently in 7th grade and learning ahead for ib prep

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