functions Flashcards
1
Q
what is the image set of a function
A
the range of output values
2
Q
what is the domain of a function
A
the range of valid inputs
3
Q
why might a composite function not exist
A
if the range of the inner function is not a subset of the domain of the outer function
i.e. values produced by the inner function are not valid inputs of the outer function
