I keep getting the range wrong. What am I doing wrong?

(@ Homepage - MAT-136-X6147 Int x x Sounds of Hyrule 1- Hyrule X m Southern New Hampshire Univer T X * Course Hero O https://snhu.mobius.cloud/modules/unproctoredTest.QuestionSheet WyoWeb My Sprint Navy Federal Credit... (B Brightspace Dashboard COMPASS HHS My.. SNHU Email Citizens One (iPhone) SNHU home Guild Education | H. Consolation | Defini.. Other favorites Help | Brianna Fedell | Logout mobius Gradebook External / MAT-136-X6147 20EW6 Intro to Quantitative Analysis / Module Six / 6-3 Problem Set: Module Six 6-3 Problem Set: Module Six Current Grade: 1.5 / 50.0 Remaining Time: 369:57:20 snhu Do you need help with this problem or this material? Remember to use the Academic Support resources ACADEMIC SUPPORT available on your homepage in Brightspace or or in the learning modules. Question 2 Determine the domain and range of the quadratic function. 3 points f (a) = -3(2 +8)2-5 Enter your answer in interval notation. To enter oo, type infinity. Domain: (-infinity, infinity) Range: (infinity, 31) Submit Assignment Quit & Save Back Question Menu - Next Type here to search 21:01 8/8/2020