Question
Unit 7 Sample Work Retake
4 of 154 of 15 Items
Question
Given f(x)-3^x-4 , evaluate the function for f(2) .
Responses
f of 2 is equal to 1
f of 2 is equal to 2
f of 2 is equal to 9
Answers
GPT-4o mini
To evaluate the function \( f(x) = 3^x - 4 \) at \( x = 2 \), we can substitute 2 into the function:
\[
f(2) = 3^2 - 4
\]
Calculating \( 3^2 \):
\[
3^2 = 9
\]
Now substitute that back into the equation:
\[
f(2) = 9 - 4
\]
\[
f(2) = 5
\]
It seems that none of the provided responses (1, 2, or 9) match our calculation of \( f(2) \). The correct answer should be \( f(2) = 5 \).
\[
f(2) = 3^2 - 4
\]
Calculating \( 3^2 \):
\[
3^2 = 9
\]
Now substitute that back into the equation:
\[
f(2) = 9 - 4
\]
\[
f(2) = 5
\]
It seems that none of the provided responses (1, 2, or 9) match our calculation of \( f(2) \). The correct answer should be \( f(2) = 5 \).