The number of solutions there are for the functions, -f(x) and f(-x) are; 2 and 2 respectively.
How many solutions are there to each function?
According to the task content, the function given initially is; f(x).
Hence, the function -f(x) represents a reflection of the function f(x) over the x axis. And in this case scenario, the reflection also has 2 solutions as it only cuts the x-axis at two points.
Also, the function f(-x) represents a reflection of the function f(x) over the y-axis. And in this case scenario, the reflection also has 2 solutions as it only cuts the x-axis at two points.
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