please help me with this study guide!!

1 / 2 100% + Goo G Enter in Int 1) State the intervals of increasing and decreasing behavior in the function f (x) = x3 + 2x - 4x + 5. 2) State the intervals of concavity in the function f (x) = x3 + 2x2 - 4x + 5. 3) State the critical points of the function g(x) = (x-9) 20. 4) State the intervals of increasing and decreasing behavior in the function g(x) = (x-9) 23. 5) State the intervals of concavity in the function g(x) = (x -9) 20. 2 / 2 - 100% + 6) State the intervals of increasing and decreasing behavior in the function h(x) = _ 7) State the intervals of concavity in the function h(x) = _9 8) State the critical points of the function k(x) = x? In x2. 9) State the intervals of increasing and decreasing behavior in the function k(x) = x? In x2. 10) State the intervals of concavity in the function k(x) = x? In x2