During the test, you may use your math notebook for reference, your graphing calculator, or Desmos. You may not enter other parts of the course, other websites, or receive outside help. Doing so will result in a zero score and possible disciplinary action as well as an F for the course. Link to Desmos Graphing Calculator: https://www.desmos.com/calculator Consider the function f(x) = 12x5 + 30x4 - 300x3 + 7. f(z) has inflection points at (reading from left to right) x = D, E, and F where D is and E is and F is For each of the following intervals, tell whether f(x) is concave up or concave down. ( - 0o, D): Select an answer v (D, E): Select an answer v (E, F): Select an answer (F, 0.): Select an answer v Submit Question e hp X N O W O P