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9. [5/10 Points] DETAILS LARCALC11 9.9.501.XP. 1/2 Submissions Used Find a power series for the function, centered at c. 5 f(x) = C = -2 5 f(x) = Σ n = 0 Determine the interval of convergence. (Enter your answer using interval notation.)

Use a power series to approximate the value of the integral with an error of less than 0.0001. (Round your answer to four decimal places.) e-x dx Lox 9 Lexar dxñ n=0