The problem asks to graph the function $g(x) = |x| - 8$.

AlgebraAbsolute Value FunctionsGraphingTransformations
2025/3/6

1. Problem Description

The problem asks to graph the function g(x)=x8g(x) = |x| - 8.

2. Solution Steps

The function g(x)=x8g(x) = |x| - 8 is an absolute value function.
The absolute value function y=xy = |x| has a V-shape, with its vertex at the origin (0, 0). The arms of the V extend upwards and outwards from the origin, with slopes of -1 for x<0x < 0 and +1 for x>0x > 0.
The function g(x)=x8g(x) = |x| - 8 is a vertical translation of the function y=xy = |x|. Specifically, it shifts the graph of y=xy = |x| downwards by 8 units.
Therefore, the vertex of the graph of g(x)=x8g(x) = |x| - 8 is at (0, -8). The arms of the V still extend outwards with slopes of -1 and +
1.
To sketch the graph, we can consider a few points.
When x=0x = 0, g(0)=08=8g(0) = |0| - 8 = -8.
When x=1x = 1, g(1)=18=18=7g(1) = |1| - 8 = 1 - 8 = -7.
When x=1x = -1, g(1)=18=18=7g(-1) = |-1| - 8 = 1 - 8 = -7.
When x=8x = 8, g(8)=88=88=0g(8) = |8| - 8 = 8 - 8 = 0.
When x=8x = -8, g(8)=88=88=0g(-8) = |-8| - 8 = 8 - 8 = 0.

3. Final Answer

g(x)=x8g(x) = |x| - 8

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