a. f(x) = e-6x about x = -4 b. f(x) = ln(3+ 4x) about x = 0 c. f(x) = – about x = -3 d. f(x) = 7x² – 6x + 1 about x = 2 е. f(x) —D 7 x4 - 1 about x = -2 (4+9x)² f. f(x) = x³ – 10x? + 6 at x = 3 -

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