Functions - 2 Flashcards
1
Q
what are the requirements for functions
A
one to one, many to one
2
Q
what are the requirements for mappings
A
one to many, many to many
3
Q
what is the domain?
A
the set of input values of a function
4
Q
what is the range?
A
the set of all the possible output values
5
Q
what does x and y show in a function
A
x = domain y = range
6
Q
what is g(x)
A
the inner function
7
Q
what is f(x)
A
the outer function
8
Q
what is f^-1(x)
A
inverse function. reflection in y=x
9
Q
what happens to the domain and range with inverse functions
A
they flip
