(Use implicit differentiation for the next two questions) d) xy + 2x - y = 7 + x (4 marks) e) xsiny + 3y = x (4 marks) 5. Determine the derivative in simplified form (no negative exponents, no radicals, and fully factored where possible). Show all of your work/steps and simplify for full marks. 7x2 f) f(x) = x + x-3x-1 6 (3 marks) g) f(x) = (x-3) x-1 (4 marks) 7x3 h) y = (5-1) (4 marks) 6. Find the first and the second derivative of the function below. Show all of your work/steps for full marks: (5 marks) 1 d(t) = = (2-t) BONUS If in question 6 (above) the original function d(t) represents distance with respect to time, what does the first derivate represent? The second derivative? (1 mark)