diketahui f(x) 3x + 5/ x - 5, maka f¹ (2) = .... a. -14 b. -15 c. -13 d. -12 e. -11

f(x) = 3x + 5/x - 5
f-¹(x) = 5x + 5/x - 3

f-¹(2) = 5(2) + 5/2-3
= (10 + 5)/-1
= -15

jawaban B.

f(x) = ax + b/cx + d
f-¹(x) = -dx + b/cx - a

coba dicek lagi yaa siapa tau aku salah ngerjainnya^^