What are first differences? When given a function or a table of values representing a function, looking at the first difference can help you determine what kind of relationships there is between the variables and hence what function the points represent. There are also second and third differences but here we will focus on first differences.
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Another form of interpreting the linear relation is with the parametric equation of a line. In this form we have an unknown or parameter value. Depending on how many parameters there are we determine the type of “plane” we have. In our case here we will see one parameter indicating that we have a line.
An application of derivative, practice finding the related rates of functions with Raise My Marks math tutoring and exercises, Ottawa, Toronto. Canada, IB math, AP calculus, university math, provincial curriculum and more.
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