Consider the function below. (If an answer does not exist,

Last updated: 7/14/2022

Consider the function below. (If an answer does not exist, enter DNE.) f(x) = e²x + e-x (a) Find the interval(s) on which f is increasing. (Enter your answer using interval notation.) Find the interval(s) on which fis decreasing. (Enter your answer using interval notation.) (b) Find the relative minimum value(s) of f. (Enter your answers as a comma-separated list.) (c) Find the interval(s) on which fis concave up. (Enter your answer using interval notation.)