The marginal revenue in thousands of dollars from the sale of x gadgets is given by the following function The revenue from 120 gadgets is 10 854 2 1 3 33 MR x 4x x 29 000 a Find the revenue function b What is the revenue from selling 250 gadgets c How many gadgets must be sold for a revenue of at least 50 000 a R x Simplify your answer Round to the nearest integer as needed b The revenue from selling 250 gadgets is Type a whole number c To generate a revenue of at least 50 000 approximately Type a whole number gadgets must be sold