Question

Use the following function rule to find f(4).

f(x) = 3^x

Answers

GPT-4o mini
To find \( f(4) \) using the function rule \( f(x) = 3^x \), we substitute \( x \) with 4:

\[
f(4) = 3^4
\]

Now, calculate \( 3^4 \):

\[
3^4 = 3 \times 3 \times 3 \times 3 = 81
\]

Thus, \( f(4) = 81 \).