Tolong dijawab bagi yang bisa​

Jika :

f(x) = (ax + b) / (cx + d)

Maka :

f-¹(x) = (– dx + b) / (cx – a)

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f(x) = (x + 7) / (5x – 2)

Jadi,

f-(x) = [ -(-2)x + 7 ] / [ 5x – 1 ]

f-(x) = (2x + 7) / (5x – 1) ✔️