1﹚设定价为P,需求为Q﹙P﹚
Q﹙P﹚=10﹙5-P﹚/0.01+1000=6000-1000P
2﹚由题知X=﹙5-P﹚/0.01=>1000P=5000-X
R=P·Q﹙P﹚=﹙6000-1000P﹚·P=6000P-1000P²
∴R=6﹙5000-X﹚-﹙5000-X﹚﹙5-X/1000﹚=5000+4x-0.001X²
亲,没人回答,我替你回答。
(1)q=1000+(5-p)/0.01*10=6000-1000p
(2)R=(5-X/10*0.01)*(1000+X)=5000+5X-X-0.01X方=-0.01x方+4x+5000