Question

use the function below to find f(4). f(x) = 3^x a. 81 b. 7 c. 12 d. 27

Explanation:

Step1: Substitute x=4 into F(x)

Given \( F(x) = 3^x \), substitute \( x = 4 \) into the function. So we get \( F(4)=3^4 \).

Step2: Calculate \( 3^4 \)

\( 3^4 = 3\times3\times3\times3 = 81 \).

Answer:

A. 81