If f −1(x) = x2 + 5, then what is the value of function f(x)?

Question

anonymous · Answer

please answer quickly

parthkohli · Answer

I'd answer you after 30 minutes. :-)

anonymous · Answer

the exam is a test of your knowledge, not a test of the knowledge you can gather during the exam.

anonymous · Answer

@ParthKohli wait an hour. or an hour and a half.

anonymous · Answer

ok

aravindg · Answer

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phi · Answer

$$ f ^{−1}(x) = x^2 + 5 $$

one way is write it as
y= x^2 +5
now *swap x and y*
x= y^2 +5

last step:  solve for y. 
that will be your function