Respuesta :

mhanifa

Answer:

  • B. 81

Step-by-step explanation:

Note. It is assumed * is x in the function notation.

Given

  • Function f(x) = (1/9)(9ˣ)

Rewrite it as:

  • f(x) = 9⁻¹ 9ˣ = 9⁻¹⁺ˣ = 9ˣ⁻¹

Find f(3)

Substitute the value of x into equation:

  • f(3) = 9³⁻¹ = 9² = 81

Correct answer choice is B