jika f(x) = (x+4)kuadrat -3 maka F invers (x)?

Fungsi

f(x) = (x + 4)² - 3
y = (x + 4)² - 3
y + 3 = (x + 4)²
√(y + 3) = x + 4
√(y + 3) - 4 = x
[tex] f^{-1}(x) = \sqrt{x+3} - 4 [/tex]

f(x) = (x + 4)² - 3
y = (x + 4)² - 3
y + 3 = (x + 4)²
√y + 3 = x + 4
x = (√y + 3) - 4
f-¹(x) = (√x + 3) - 4