If the Indifference Curves for Some Individual Are Vertical Straight

question 55

Multiple Choice

If the indifference curves for some individual are vertical straight lines, the utility function is:

• A)U(x,y)= x + 2y.
• B)U(x,y)= xy.
• C)U(x,y)= x² + 5.
• D)U(x,y)= 2xy^{2 .}

---

Definitions:

Acetylene Regulator

A device used to control the pressure and flow of acetylene gas from a tank to an output, commonly used in welding.

Oxygen Torch Valve

A valve on an oxygen torch that regulates the flow of oxygen to control the flame for welding or cutting purposes.

PPE

Personal Protective Equipment; gear worn to minimize exposure to hazards that can cause serious workplace injuries and illnesses.

Electric Arc Welding

A type of welding process using an electrical arc to generate heat to melt and join metals together.