How do I find m<QPR ?

Question 22 of 22 > Find the critical points and the intervals on which the function f(x) = (x³ – 4 x) e* + 15 is increasing or decreasing. Use the First Derivative Test to determine whether the critical point is a local minimum or maximum (or neither). (Use symbolic notation and fractions where needed. Give your answer in the form of a comma separated list. Enter DNE if there are no critical points.) the critical numbers with local minimum: the critical numbers with local maximum: (Use symbolic notation and fractions where needed. Give your answers as intervals in the form (*, *). Use the symbol co for infinity, U for combining intervals, and an appropriate type of parenthesis "(",")", "[","]" depending on whether the interval is open or closed.)

(b) What are the domain and range of the function y = f(x + 2)? (Use symbolic notation and fractions where needed. Give your answers as intervals in the form (*, *). Use the symbol ∞ for infinity and the appropriate type of parenthesis "(", ")", "[", or "]" depending on whether the interval is open or closed.) D = R =

X ~ Exp (1/9.848) 1) Find P(X<12) 2) Find P(8<X<14)