elastic in the upper portion and inelastic in the lower portion

inelastic in the upper portion and elastic in the lower portion

. inelastic throughout

constant along the demand curve

supply would tend to be price elastic

demand would tend to be price inelastic

demand would tend to be price elastic

supply would tend to be price inelastic

perfectly inelastic

perfectly elastic

upward sloping

downward sloping

Raise both the disco ticket price and the membership fee

Lower both the disco ticket price and the membership fee

Raise the disco ticket price but lower the membership fee

Lower the disco ticket price but raise the membership fee

0.4

-0.4

2.5

-2.5