The real solutions of f(x) = 0 are; x=5, x=7 and x=8.
Solutions of the graph of a function
The real solutions of the graph of the function, f(x) from the given graph is the set of points on which the graph intersects the x-axis.
On this note, it follows that the solutions of the graph of f(x) = 0 are; x=5, x=7 and x=8.
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