1) Find the derivative of the following functions. Leave final answers with positive, whole number exponents. [A /8] a) f(x) = 1x- 2 b ) f ( x ) = Vx# + + c) f(x) = (4x - 1)'Name MCV4U Chapter 2: Derivatives - Thinking Task (1 page) This is an evaluation that must be completed on your own. with no help from tutors, friends or the internet. To eam full marks, you must justify your solution. Include the following as needed. Show diagram, Define variables. State formula, theorem, equation or function used. Show substitutions and or steps in solving an equation. State restrictions. State concluding statement, Use correct notation. No marks are given if your solution includes: e or in, integration. This is an evaluation, make sure you are completing the work on your own. 3) State the coordinates of any point(s) where the tangent would be horizontal for the function y = x 4 12x - 5. [T /8]