Chapter5: Polynomial And Rational Functions
Section5.3: Graphs Of Polynomial Functions
Problem 4TI: Show that the function f(x)=7x59x4x2 has at least one real zero between x=1 and x=2.
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Question
Let us try to find where a function is increasing or decreasing given the
following.
f(x) = x3−4x, for x in the interval [−1,2]
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