A Inear pPe iryilet that courery lacms eppertindy coste A ppe that is coneave to the ongin incles ina a bases QufstiaN 11 4. a pos tive feationship behween demand and prioe b. a negative rolabonship botaven demand and price c. A postive rotationehip botween quaniity demanoed and price d. a negatym cetalionship bebaveen quantry demanded and price.