8. [-/1 Points] DETAILS MY NOTES Math 110 Course Resources - Marginal Analysis & Elasticity Course Packet on marginal analysis If the unit selling price p(x) and the quantity supplied x of a certain product is given by p(x) = x4e4x + 2, find the marginal revenue function R'(x). R' ( x ) = 9. [-/1 Points] DETAILS MY NOTES Math 110 Course Resources - Marginal Analysis & Elasticity Course Packet on elasticity of demand and finding the unitary price point Given the demand equation x = 145e-P/28, where p represents the price in dollars and x the number of units, determine the value of p where the elasticity of demand is unitary. P = dollars