The function f is one-to-one. Find its inverse.f(x) = x2 + 4, x ? 0
A. f-1(x) = 
, x ? -4
B. f-1(x) = 
- 4, x ? 0
C. f-1(x) = 
, x ? 4
D. f-1(x) = 
- 4, x < 0
Answer: C
Mathematics
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A. 5 B. ±5 C. 0 D. Diverges
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What will be an ideal response?
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= 2 ? 
+ 
? 7
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Mathematics