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Find the derivative of: (8 - 6x)". [Hint: expand first. ] 72 -96 Now, find the equation of the tangent line to the curve at (1. 4). Write your answer in ma + b format Submit Question The graph of f(z) - 2x + 12x - 72x + 4 has two horizontal tangents. One occurs at a negative value of and the other at a positive value of a. What is the negative value of a where a horizontal tangent occurs? What is the positive value of a where a horizontal tangent occurs? Submit Question Suppose that f(z) and g(x) are two functions and we know that: f ( - 2) = - 1 9( - 2) = 4 f' ( - 2) =0 9'( - 2) - -1 Find the following: (f - 9)'( -2) = (9 - 1)' ( - 2) = (fg)' ( - 2) = () .(-2) -[ If k(2) -f(20)th a then k' ( - 2) =[ Submit Question Find the following using the table below. 12 3 4 f(z) 4 3 2 1 f' (x) 3 4 1 2 g(x) 9'(1) 3 2 4 h' (1) if h(z) = f(1) . 9(z) h'(1) if h(z) = f(x) 9(I) Submit Question Let f(z) = 2+ 6 -. Find the values of I where f' (x) = 5. Give exact answers (not decimal approximations). The greater solution is a = The lesser solution is a = Question Help: Video Submit