Question

find the inverse of the function:f(x)=the square root of 8x+7.

Answer 1

f(x)=\[\sqrt{8x+7}\]

Answer 2

solve
\[x=\sqrt{8y+7}\] for \(y\)

Answer 3

square both sides, get
\[x^2=8y+7\] then subtract 7 and finally divide by 8