To list
Stat ; List
To clear list
Clear ; Enter
To graph
Stat; Calc ; 4
To graph y=
Y= ; X ; to the exponent ; graph
If the domain is repeated
It is not a function
F(x)= 2x+9
2(6)+9 ; f(6)=21
To get a scatter plot
2nd catalog ; diagnosticon ; x-1 ; enter
The line of best fit
Y=ax+b
Right is
Negative
Left is
Positive
Example
The graph of y=x^2+6 is the graph of y=x^2?shifted 6 units up
Anything over 1
Vertical stretch
Anything over 0 and less than 1
Vertical compression
(2,4) flip over the x-axis and the y becomes the opposite
(2,-4)
Write an equation y=x vertical stretch by the factor of 4
4x