The Graph Below Shows the Height of Sand in an Hourglass

question 122

Multiple Choice

The graph below shows the height of sand in an hourglass at various times. Use the graph to find the average rate of change of the height of the sand.

• A) \(1 \mathrm {~mm}\) per second
• B) \(0.85 \mathrm {~mm}\) per second
• C) \(0.75 \mathrm {~mm}\) per second
• D) \(1.3 \mathrm {~mm}\) per second

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Definitions:

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A physical or mental condition that limits a person's movements, senses, or activities.

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The process by which a company reduces its workforce, often to cut costs or improve efficiency, affecting employees' job stability.

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Choosing to withdraw from one's occupation or profession before the mandatory or expected age, often for personal, health, or lifestyle reasons.

Senility

An outdated term referring to the decline in mental function associated with aging, often related to conditions such as dementia.