If the original function is f(x) = |x + 2|, the equation of the reflection is g(x)= -|x + 2|
Which equation describes the reflection?
For a general function f(x), a reflection over the x-axis is defined as follows:
g(x) = -f(x)
If the original function here is f(x) = |x + 2|, then to reflect it over the x-axis we justt need to multiply it by minus one, then the equation of the reflected function will be:
g(x) = -f(x) = -|x + 2|
Complete question:
"The graph of g(x) is obtained by reflecting the graph of |x + 2| over the x-axis.
Which equation describes g(x)?
g(x) = − |x + 2|
g(x) = -2 |x|
g(x) = x + 2|
g(x) = 2 |x|
f(x) = 2 |x|"