Question

y=2x-3



y=x^2+9
write an equation for the inverse of the relation

Answer 1

y = 2x - 3
2x = y + 3
x = (y + 3)/2
Therefore, inverse is y = (x + 3)/2

y = x^2 + 9
x^2 = y - 9
x = sqrt(y - 9)
Therefore, inverse is y = sqrt(x - 9)