6. [10 marks] Find as" for a: = a:(t) defined implicitly by 1 + .'E In t = $61 and evaluate m' at (hm) = (0,1). 7. [10 marks] The price p {in dollars } and demand a; for a product are related by m2 + 2x10 + 251:)2 = 74,500. If the demand is decreasing at a rate of 6 per month when the demand is 150, nd the rate of change of the price. The present oeeurnent end the contents thereof are the property end copyright or the professorrjs) who prepared this sum at Cancurdia University. No part er the present dncument rosy he used fur any purpose other than researeh or teaching purposes at Concordia University. Furthermore. no part of the present document may he sold , reproduced A republished or rte-disseminated in any manner or form without the prior written permission 01' its owner and copyright homer