I need help understanding how to solve this question

The revenue (in dollars) from the sale of x car seats for infants is given by the following function. Rm = 64: 0.020;? 0 S: s 3200 {A} Find the average change in revenue if production is changed from 1.000 car seats to 1.050 car seats. {3] Use the four-step process tond R'{x). {0) Find the revenue and the instantaneous rate of change of revenue at a production level of 1,000 car seats, and interpret the results. {A} Find the average change in revenue if production is changed from 1,000 car seats to 1,050 car seats. D (Round to one decimal place as needed.)