The marginal revenue(in thousands ofdollars) from the sale of x gadgets is given by the following function.

*******Answer part a and b please******

The marginal revenue (in thousands of dollars) from the sale of x gadgets is given by the following function. 2 R'(x) = 4x (x2 + 25,000) 3 a. Find the total revenue function if the revenue from 120 gadgets is $54,166. b. How many gadgets must be sold for a revenue of at least $50,000? a. The total revenue function is R(x)=D, given that the revenue from 120 gadgets is $54,166. (Round to the nearest integer as needed.)