Choose the letter(s) of the correct answer. Choose E if none of the choices corresponds to the correct answer. If f(x) · g(x) is to be integrated with respect to x, taking dx as the differentiated variable, then: A. f(x) must be a function of g(x) B. g(x) must be equal to f (g(x)) C. f(x) and g(x) can take any form of a function D. f'(x) and g'(x) must exist at all costs.

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Rate of Change

The relation between two quantities which displays how much greater one quantity is than another is called ratio.

Slope

The change in the vertical distances is known as the rise and the change in the horizontal distances is known as the run. So, the rise divided by run is nothing but a slope value. It is calculated with simple algebraic equations as: