2. (5 pts.) Find the interval(s) where the function f(x) = 23 - 3x + 8 is increasing and the interval(s) where it is decreasing. 3. (10 pts.) Consider the function g(x) = 1 + 2 2 (a) (5 pts.) Find the numbers where g"(x) = 0. (b) (5 pts.) Find the interval(s) where the function g is concave upward, where it is concave downward, and where it has an inflection point. 4. (10 pts.) Find the following antiderivatives. (a) (6 pts.) 3 7 2 dx. 2021 5 (b) (4 pts . ) / er dx