Question

Hey there! can you please help me posted picture of question

Answer 1

For this case we have the following function:
f (x) = 3 ^ x
We must replace the value of x = 4 in the function.
We have then:
f (4) = 3 ^ 4
Rewriting we have:
f (4) = 81
Answer:
The function evaluated at x = 4 is equal to:
f (4) = 81
option D