functions Flashcards
1
Q
what is a domain?
A
it is the input.
2
Q
what is the range?
A
it is the output.
3
Q
what does rise/run mean?
A
in a graph the rise would be the vertical change, and run would be the horizontal change.
4
Q
what does a fraction as a slope mean?
A
It is rise/run, 1/2 slope is 1 up and 2 right.
5
Q
what does ε mean in mathematics?
A
It means member of.
6
Q
what does xεR mean?
A
it means x is a member of all real numbers (Since R is a shorthand for Real numbers)
7
Q
how to find the domain and range of a function?
A
find the lowest and highest of the two.
8
Q
What is function notation?
A
It’s how you write a function.
