solve the following and show working

2 1 point The function | | is differentiable everywhere. O True O False 3 1 point What is the value of eln 7? Type your answer.. 4 1 point If a > 1, lim at = I-+0o 1 -OO O 0 5 2 points Select all functions where a higher order derivative is eventually zero (i.e. for some n, the nth derivative f(") = 0). COS x 4