DENVER. METROPOLITAN AREA. ECONOMICS Forecasters optimistic on area growth, predict 75,000 new Jobs in next 18 mos. RMN Ap 3, 1984 p.5B Economic forecasters have poor track record. RMN Ap 30, 1985 p.lB,2B,18B,19B,22B,23B Economy still growing in mid-'80s but at slower rate. FWN My 21, 1985 p.lB,2B,14B Inflation rate at 3%. RMN Ag 23, 1985 p.81 0