After Joyce and Larry Purchased Their First House,they Made Additional

question 103

Multiple Choice

After Joyce and Larry purchased their first house,they made additional home improvements in response to increases in income.After a while,their income rose so much that they could afford a larger home.Once they realized they would be moving,they reduced the amount of home improvements.Their Engel curve for home improvements on their current home is

• A) negatively sloped.
• B) flat.
• C) positively sloped.
• D) backward bending.

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Definitions:

D-Glyceraldehyde

An important intermediate in cellular metabolism, this simple sugar molecule is one of the smallest and simplest forms of aldose.

NaBH4

Sodium borohydride is frequently employed as a reducing agent in the synthesis of organic compounds, tasked with converting aldehydes and ketones into alcohols.

Glycerol

A simple polyol compound with three hydroxyl groups, commonly used in pharmaceutical and food industries, as well as in the manufacture of dynamite.

β-D-Ribopyranose

A sugar molecule that is a form of ribose having a six-membered oxygen-containing ring, in the β-anomeric form.