Use implicit differentiation to find the following. #'s 9,10 9. Find y' implicitly for the equation 3y+ 2x3 + 4xy = 10 10. Find the value(s) of y' when x = -1 for 5x + 2y = 6 Use Related Rates: #'s 11 & 12 11. Find any value(s) of dy dt for x + y = 9. Given = 3 when x = 4. dx dt 12. A 10-foot ladder is placed against a vertical wall. Suppose the bottom slides away from the wall at a constant rate of 4 feet per second. How fast is the top of the ladder sliding down the wall when the bottom is 8 feet from the wall?