Question

Jika f (x) = 2- √x , maka f^-1(x)=​

Answer 1

Verified answer

Jawab:

fungsi invers

f(x)= y --> f⁻¹ (y)= x

Penjelasan dengan langkah-langkah:

f(x) = 2 - √x

2- √x = y

√x = 2 - y

(√x)² = (2 - y)²

x = 4 - 4y +y²

f⁻¹ (y) =  y² - 4y + 4

f ⁻¹ (x) = x² - 4x + 4

f⁻¹ (x) = (x - 2)²