14-13-12-11 -20 -9 -8 -7 -6 -S -4/ -3 -1 4 3 1 + 2. -3 -4- The curve above is the graph of a sinusoidal function. It goes through the points ( 6, 4 ) and ( 4, – 4 ) Find a sinusoidal function that matches the given graph. If needed, you can enter 7 3.1416... as 'pi' in your answer, otherwise use at least 3 decimal digits. f(x) =

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