<span>In mathematical analysis it's the measure of how fast does value of the function change in relation to change of its variables.
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Reflection of a function

reflection of f(x) about x-axis
So
I think it’s b it only makes since
The simplest form would be x
The rule for power to a power is 'keep the base and multiply the powers'.
3 * (1/3) = 1
So it would be x^1 or just x