Solve. -If a Rock Falls from a Height of 80 Meters

question 172

Multiple Choice

Solve.
-If a rock falls from a height of 80 meters above the ground, the height H (in meters) after x seconds is approximately H = 80 - 4.9x². What is the height of the rock after 2 seconds? (Round your answer to the nearest tenth.)

• A) 70.2 m
• B) 300.4 m
• C) -16.04 m
• D) 60.4 m

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Definitions:

Time Loss

The amount of productive time lost due to various reasons, such as equipment breakdowns, illnesses, or inefficiencies.

Market System

An economic system where decisions regarding investment, production, and distribution are based on supply and demand, with prices determined in free markets.

Self-Interest

An individual's actions and decisions are motivated by their own personal gain or interest, often considered as the driving force behind economic activity.