chpt 5 vc

reduced radical form

all perfect nth powers have been simplified, and there are n radicals in the denominator

index

degree of the radical

like radicals

radicals with the same index and same radicand

rationalize the denominator

the process of eliminating radicals from the denominators of fractions

one-to-one functions

when both the original and inverse are functions

inverse function

the inverse of an equation in which every x-value has exactly one y-value

composite functions

the answers of one function are input into another function

rational exponents

exponents with fractions

function

an equation in which every x-value has exactly one y-value

inverse relation

the x and y values switch

radical

another word for root

nth root

the opposite of the nth power

radical function

function in the form f(x) x-h+k

radicand

the expression of the radical

extraneous solution

an apparent solution that does not work in the equation