The table shows some information about a function

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

The table shows some information about a function f(x)f(x) . | xx | 1 | 3 | 4 | |---|---|---| | f(x)f(x) | 4 | 8 | 5 | | f′(x)f'(x) | -1 | 4 | 2 | A graph has equation y=f(x)y = f(x) . Find the gradient of the graph at the point where y=4y = 4 .

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