Questions: Graph the function f(x)=x+8. Use the graphing tool to graph the function.
Transcript text: Graph the function $f(x)=|x+8|$. Use the graphing tool to graph the function.
Solution
Solution Steps
Step 1: Identify the parent function
The parent function is $f(x) = |x|$. This is the absolute value function. The graph of this function is a V shape with the vertex at the origin (0,0).
Step 2: Determine the transformation
The given function is $f(x) = |x + 8|$. The "+ 8" inside the absolute value function represents a horizontal shift. Adding a positive number inside the absolute value shifts the graph to the _left_. Therefore, the graph of $f(x) = |x + 8|$ is the graph of $f(x) = |x|$ shifted 8 units to the left.
Step 3: Locate the vertex
The vertex of the parent function $f(x) = |x|$ is at (0,0). Since the graph is shifted 8 units to the left, the vertex of $f(x) = |x + 8|$ is at (-8,0).
Final Answer:
The graph of $f(x) = |x + 8|$ is a V-shaped graph with the vertex at (-8, 0). It is the graph of the absolute value function shifted 8 units to the left.