Sal evaluates -2*f(-6)+g(1) given the graphs of f and g.
Evaluating function expressions is a free educational video by Khan Academy.It helps students in grades 8 practice the following standards HSF.IF.B.4.
1. HSF.IF.B.4 : For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity..
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