please answer question 1 A-C and question 2 A and B

The revenue (in dollars) from the sale of x car seats for infants is given by the following function. R(x) =56x - 0.020x 05xs2800 (A) Find the average change in revenue if production is changed from 1,000 car seats to 1,050 car seats. (B) Use the four-step process to find R'(x). (C) Find the revenue and the instantaneous rate of change of revenue at a product in level of 1,000 car seats, and interpret the resu (A) Find the average change in revenue if production is changed from 1,000 car seats to 1,050 car seats. (Round to one decimal place as needed.) Aw score: 83.64%, 9:2 of 11 points. . Part 1 of 4 O Points: 0 of 1 Save The consumption of tungsten (in metric tons) in a country is given approximately by p(t) = 135t + 1,076t + 14,917, where t is time in years and t= 0 corresponds to 2010. (A) Use the four-step process to find p'(t). (B) Find the annual consumption in 2022 and the instantaneous rate of change of consumption in 2022, and write a brief verbal interpretation of these results. (A) P' (1) = 0