need help to solve, please see attached

Consider the following function. g (x) = -x

Consider the following function. g (x) x2 + 2x 5 Find the first and second derivatives of the function. Determine where the function is concave upward and where it is concave downward. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) concave upward concave downward Determine where the function is concave upward and where it is concave downward. (Enter your answers using interval notation.) f(x) 3x4 30x3 + x g concave upward concave downward Consider the following function. 5 x2 Find the first and second derivatives of the function. Determine where the function is concave upward and where it is concave downward. (Enter your answer using interval notation. If an answer does not exist, enter DNE.) concave upward concave downward