Mathematics for IGCSE & O level - Functions (Section 2 - No. 5)

If f(x) = x/3, what is the value of f^-1(9)?

3

1/27

27

1/3

Erläuterung

Solve for the inverse f^-1(x) = 3x, substitute x=9: 3*9=27

Kommentare (0)

Werbung