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Let f(a) = 3x- 2x. Using the formula, m =- f(x + h) - f(z) , estimate the slope of the tangent line on h the graph of f(x) at x = 10 for the following values of h: h = 1: m = h = 0.5: m = h = 0.1: m = h = 0.01: m = h = 0.001: m =