Question 1. Use the rules of differentiation to find the derivative of the function. R(t ) = -9t + 8t - 9 Question 2. Use the rules of differentiation to find the derivative of the function. y = x2 2 - - cos(x) Question 3. Use the rules of differentiation to find the derivative of the function. y = 4x# + 7 sin x V' Question 4. Use the rules of differentiation to find the derivative of the function. y= 5 -e" + 2 Cos x VEQuestion 5. Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your results. Function Point y = 6x* - 7 (1, -1) y'(1) =Question 6. Find the slope of the graph of the function at the given point. Use the derivative feature of a graphing utility to confirm your results. Function Point *8) - 5 sing - 8, (0, 0) Question 7. Find the derivative of the function. g(t) = 12 - g'(0) = Question 8. Find the derivative of the function. ((x) = * - 8x + 1 x2 f ' ( x ) = Question 9. Find the derivative of the function. R(x) = Vx - BVx F ( x) = Question 10. Find the derivative of the function. 5 + 5cos X f ( x) =