Do this quick and ill give you a good rating need it done fast!

3. Find the equation of the tangent line at the given function at the indicated point (5 marks): f (x) = =2 at the point (1,4) 1. Let G(t) be the grade (in percent) you receive in a class when you spend t hours per week studying. (6 marks) a. What does G'(10) = 4 mean? b. Given G(10) = 60 and G'(10) = 4, estimate G (12) = 2. What is the practical meaning of G(0) = 02. Find the slope of a given function at the indicated point (3 marks each)