The function rule for the function shown as in the task content in the y axis is; g(x) = -f(x).
As given in the task content; the function f(x) is as follows;
f(x) = 6x
Hence, upon reflection of the function f(x) over the y-axis; the resulting function g(x) is given by the rule;
g(x) = -f(x)
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