Asked by kim

if f(x)=square root of x-4 what is f inverse
I came up with x^2+16
Answered by Anonymous
Is f(x) = sqrt(x) - 4 or
is f(x) = sqrt(x - 4)?

If it's the first one then you're correct.
Answered by Anonymous
Wait, sorry, my mistake.

If it's the 2nd one then the answer should be x^2 + 4

The 1st one wouldn't be correct. as you would have (y+4)^2 = y^2 + 8y + 16
There are no AI answers yet. The ability to request AI answers is coming soon!