Moderate Exercise Is Better Than None, but Excessive Exercise Is

question 42

Multiple Choice

Moderate exercise is better than none, but excessive exercise is harmful.What is the shape of the graph of health benefits versus hours of exercise per week if health benefits are measured on the vertical axis and exercise is measured on the horizontal axis?  
 

• A) a positively sloped straight line 
• B) a negatively sloped straight line 
• C) a U-shaped curve​ 
• D) a hill-shaped curve​

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Definitions:

Price Elasticity

The measure of how much the quantity demanded of a good responds to a change in the price of that good, indicating its sensitivity to price changes.

Midpoint Method

A technique used to calculate the price elasticity of demand or supply, avoiding the problem of using different base values for percentage calculations.

Supply

The total amount of a product or service available for purchase at any given price point.

Price Elasticity

A gauge of the degree to which the amount of a good sought or offered adjusts when there's a change in its price.