inverse function/domain of function:?

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1. what is the inverse of the function f(x)={(6,27),(7,15),(11,5)} ??

2. what is the domain of the function:
y= sqrt(x+4)+2?

2007-10-29 09:24:08 · 2 answers · asked by Ayy Girl! 1 in Science & Mathematics ➔ Mathematics

domain x>=-4
range y>=2
(27,6) (15,7) (5,11)

2007-10-29 09:31:34 · answer #1 · answered by santmann2002 7 · 0⤊ 0⤋

1. the inverse is {(27,6),(15,7),(5,11)}

2. the domain of y is all real numbers greater than or equal to -4

2007-10-29 16:27:55 · answer #2 · answered by cmadame 3 · 0⤊ 0⤋