8 DETAILS MY NOTES ASK YOUR TEACHER Note: The term test will be reviewed and results posted within 7 days of the term test. Please be sure to press Submit on each and every question, there is no overall Submit button. When you press Submit and the website reloads, your solution was saved. A medical student at Brock University is conducting research on a new drug to help patients with Alzheimer's. According to her data, the concentration, in milligrams per cubic centimetres, t hours after the injection is given by g(t) = -2t3 + 24+2 - 72t + 78 Note: Use interval notation (a,b) U (c,d), and for no interval enter . The U (union) and @ (empty set) symbols are found in the CalcPad on the right in Sets. (a) The interval where g(t) is increasing is (b) The interval where g(t) is decreasing is (c) The interval where g(t) is concave up is (d) The interval where g(t) is concave down is Submit