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# Functions

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by

## willpower 2dream

on 14 October 2014

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#### Transcript of Functions

What is a Function?
Getting a Grasp
Linear Functions
Questions
Programming
Coding
A function is like a machine.
It has three main parts: a
domain
, a
codomain
, and the
range
.

The relationship between the domain and range is the function.
What is a function?
Sample Problems:
generator of random numbers
helps information go into a computer and out into a robot or machine!
allows programs to function properly in the object being programmed
simplify a program
Functions are the brain of code! They simplify complicated programs into understandable versions.
By: Will Carter
What is a function?

How do they help when programming and coding?
Functions
f(x)=x+45-60
domain=5
f(
5
)=
5
+45-60
f(
x
)=12
x+100-40
domain=
4
f(
4
)=
?
f(
x
)=11
x
+23-20+111
domain=2
f(
2
)=
?
y = 25 + 5x

let x = 1
then
y = 25 + 5(1) = 30

let x = 3
then
y = 25 + 5(3) = 40

domain
range
How do they help when coding and programming?
The linear function is the equation to find the slope.
f(5)=-10
A linear function is a straight graphed line.
slope= ?
x=1 y=30
x=2 y=35
x=3 y=40
x=4 y=45
Thanks for watching!
FUNCTIONS
Full transcript