Deal with the terms in 'x' and the constant terms ---------------------------------------------------------------------------------------------------------------- Step 3:
Use the chain rule for the terms in 'y' -------------------------------------------------------------------------------------------------------------- Step 4:
Use the product rule on the term in 'x' and 'y' --------------------------------------------------------------------------------------------------------------
Step-by-step explanation:You add all of the numbers together (76) and then divide by the total of numbers (7). You will get 10.85714286, you have to round to the nearest 10th , so the 5 changes the 8 to a 9.