Using VBA in excel and a macro recorder

Question 9. Create a function that you will name mypoly and returns the result of the polynomial: 2x8.5x9 Question 10. Using the function poly from record a macro that plots the function in between the x-values 4,4). Give the macro the name polygraph so you remember what it does Do your best here but I live the point to every student as there were in some ersions of excel with graphs created during recording)