. The function is continuous on the interval [10, 20] with some of its values given in the table above. Estimate the average value of the function with a Left Hand Sum Approximation, using the intervals between those given points. 10 12 15 19 20 f(x) -2 -5 -9 -12 -16 X -9.250 -10.100 -7.550 -6.700

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