UF ONE.UF C M Gmail 66F Cloudy Mail - Flaherty x Quiz: Quiz 4 G At which -valu > document https://ufl.instructure.com/courses/478313/quizzes/1201192/take Notepad | Writ x Race Unit Dis Module 2 Rac X Find Schools YouTube Maps ONE.UF - Login 2 Google Calendar -... > H&T 5th ed ch 05... Search | Internation... f Facebook Question 1 + 2.5 pts At which x-value(s) does the function f(x): = = 2x39x2+12x have a horizontal tangent line? x = 0,1 x = 1,2 x = -1,1 x = 1,-2 x = -1,2 Question 2 2.5 pts A function f(x) is said to be differentiable at x = a if f' (a) exists. For some x-values the derivative may not evict and we saw that the function is not differentiable there At which of the Q Search 5:10 PM 2/15/2023