Question

To shift the function f(x)=x−4
vertically by 5 units down, we can rewrite it as f(x)=x−b
. What is the value of b
?(1 point)
Responses

9
9

-9
-9

5
5

-5

Answer 1

To shift the function \( f(x) = x - 4 \) vertically down by 5 units, we subtract 5 from the function.

The new function will be:

\[
f(x) = (x - 4) - 5 = x - 9
\]

So, by comparing it to the form \( f(x) = x - b \), we can see that \( b = 9 \).

Therefore, the value of \( b \) is **9**.