Calculus

Problem '12. {1 point] \"3' f1: \"3\"\" = 7: _: fwd: = 3, f:.f(z)dz = 1. Note: You can earn paial credit on this problem. Problem '13. {1 point] Suppose x} is coniinuous on [4I 5] and 2 3 19(1) 3 3 for all m in (4, 5). Uee the Mean Value Theorem to esmate f(5) ll]. Answer: E] E f(5] r!) g C] Hate: You can earn palatial credit on this problem. Problem '14. {1 point] The function z) = ('1': 2}e"= has one crilical number. Find lhe critical number