Inverse of Quadratic Functions
Answers to Self Test
1. (a) 
(b) x £
0 gives 
; or x ³ 0
gives 
2. (a) 
(b) x £
-7 gives 
; or
x ³
-7
gives 
3. (a) 
(b) x £
2 gives 
; or
x ³ 2
gives 
4. (a) y = 
(b) x £
2 gives 
or x ³ 2
gives 
5. (a) 
(b) x £
5 gives 
or x ³ 5
gives 
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