DEFINE
What is domain?
Domain is the set of first elements of the ordered pairs. (the set of all possible x value)
Roots mean the same thing as?
the x intercepts or zeros
What is range?
The range is the set of second elements of the ordered pairs (the set of all possible y values)
if the A value is negative
the parabola opens downward
if the first differences are constant?
the function is linear
whats this an example of?
f(x)= 3x+1
FUNCTION NOTATION
Side angle side means?
cosine law