Determine the intervals on which the following function is concave up or concave down. Identify any inflection points. rmzzx\" 3x3 + 5 Determine the intervals on which the given function is concave up or concave down. Select the correct choice below and ll in the answer box(es} to complete your choice. (Simplify your answer. Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Use a comma to separate answers as needed.) Q) A_ The function is concave down on O B_ The fundion is concave up on and concave down on O C. The function is concave up on Determine the intervals on which the following function is concave up or concave down. Identify any inflection points. f(x) = ex(x - 10) Determine the intervals on which the following functions are concave up or concave down. Select the correct choice below and fill in the answer box(es) to complete your choice. (Simplify your answer. Type your answer in interval notation. Use a comma to separate answers as needed.) O A. The function is concave down on and concave up on O B. The function is concave down on O C. The function is concave up onLocate the critical points of the following function. Then use the Second Derivative Test to determine whether they correspond to local maxima, local minima, or neither. t[)