Use Mathematical Models
-If a Rock Falls from a Height $\mathrm { H }$

question 53

Multiple Choice

Use Mathematical Models
-If a rock falls from a height of 50 meters above the ground, the height $\mathrm { H }$ (in meters) after x seconds can be approximated using the formula $\mathrm { H } = 50 - 4.9 \mathrm { x } ^ { 2 }$ . What is the height of the rock after 3 seconds?

• A) \(5.9 \mathrm {~m}\)
• B) \(405.9 \mathrm {~m}\)
• C) \(- 166.09 \mathrm {~m}\)
• D) \(35.3 \mathrm {~m}\)

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Definitions:

Cash Basis Accounting

An accounting method where revenues and expenses are recognized when cash is received or paid, rather than when earned or incurred.

Net Income

The total earnings of a company after all expenses and taxes have been subtracted from revenue.

Sales

The total amount of goods or services sold by a company within a specific period; it is a primary source of revenue for retail and manufacturing businesses.

Collected

Collected typically refers to the process of receiving money that is owed to a business or institution, including payments for goods, services, or debts.