Diketahui f(x) = 2x+1/x-3,≠3. jika f-1(x) adalah...

a. 3x+2 / x-1, x ≠1
b. 3x+4 / x-2, x ≠1
c. 3x+4 / x-2, x ≠2
d. 3x+4 / x+1, x ≠ -1
e. 3x-1 / x-2, x ≠ 2

Diketahui f(x) = 2x+1/x-3,≠3. jika f-1(x) adalah…

$f(x) = frac{2x + 1}{x - 3} \ y = frac{2x + 1}{x - 3} \ y(x - 3) = 2x + 1 \ xy - 3y = 2x + 1 \ xy - 2x = 3y + 1 \ x(y - 2) = 3y + 1 \ x = frac{3y + 1}{y - 2} \ {f}^{ - 1} (x) = frac{3x + 1}{x - 2}$