1.Jika f(x)=x²+2x+2 Maka inversnya f(y) dan f(x) 2.Jika x=2 Mohon bantuan nya

1) f(x) = x² + 2x + 2
x² + 2x + 2 = y
(x + 1)² + 1 = y
(x + 1)² = y - 1
x + 1 = √(y - 1)
x = - 1 + √(y - 1)
f-¹(x) = - 1 + √(x - 1)
2)
f-1(2) = -1 + √(2-1)
f-¹(2) = -1 + √1
f-¹(2) = -1 + 1 = 0
atau
f-¹(2) = -1 - 1 = -2