An electrician collected $1265.23 for a job that included $840 labor, which was not taxed, and the rest for parts, which were ta
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A constant function is exactly that - constant - meaning it exhibits no change whatsoever with respect to any change in its input. If , then it doesn't matter what value of
I give you, the value of
will always be nothing other than 1.
That the derivative of such a function is zero follows immediately from the definition of the derivative. If and
, then