Question: Find lim Ax-0 f(x + Ax) - f(x) Ax f(x) = 9x - 9x Step 1 Find f(x + Ax) by substituting x +

Find lim Ax-0 f(x + Ax) - f(x) Ax f(x) = 9x - 9x Step 1 Find f(x + Ax) by substituting x + Ax in place of x in f(x) = 9x - 9x. f(x + Ax) = 9(x + Ax - 9(x + Ax Step 2 Simplify the above equation. f(x + Ax) = 9x + 18 Submit Skip (you cannot come back) x + Ax + 9Ax - 9x - Ax x + Ax
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