1. Consider the function f (x) = x³ - 9x² +15x +4. You must show ALL work to earn credit for this problem. (a) (1 pt) Ap
Posted: Mon Jul 11, 2022 11:10 am
1. Consider the function f (x) = x³ - 9x² +15x +4. You must show ALL work to earn credit for this problem. (a) (1 pt) Apply the Increasing/Decreasing Test and state on which intervals the function is increasing and decreasing. (b) (1 pt) Find any local maximum or local minimum values. (c) (2 pts) Apply the Concavity Test and state the intervals of upward and downward concavity as well as any points of infection. 2. (3 pts each) Find the following limits. You must show ALL work to earn credit. 1 - 3x² (a) lim x→∞ 7+x - 2x³ (b) lim 81个8 √x² - 1 52+1