Use the Maximum/minimum Finder on a Graphing Calculator to Determine $$f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x + 5$$

question 41

Multiple Choice

Use the maximum/minimum finder on a graphing calculator to determine the approximate location of all local extrema.
- $$f ( x ) = x ^ { 4 } - 4 x ^ { 3 } - 53 x ^ { 2 } - 86 x + 5$$

• A) Approximate local maximum at 0.996; approximate local minima at -3.127 and 7.052
• B) Approximate local maximum at -0.944; approximate local minima at -3.192 and 7.136
• C) Approximate local maximum at 0.959; approximate local minima at -3.274 and 7.077
• D) Approximate local maximum at 0.908; approximate local minima at -3.107 and 7.147

Understand the relationship between U.S. living standards and per capita energy use.

Grasp the economic efficiencies in energy source utilization for electricity generation.

Learn about the primary sources of U.S. electricity generation and their proportions.

comprehend the changes in output per energy consumed over time in the United States.

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Definitions:

Vertical Analysis

A financial statement analysis method where each entry for each of the three major categories of accounts (assets, liabilities, and equities) in a balance sheet is represented as a proportion of the total account.

Cost Of Goods Sold

Refers to the total expense directly related to the production of goods or services a company sells.

Current Ratio

A liquidity ratio; current assets are divided by current liabilities to indicate a company’s ability to pay its short-term debt. This ratio does not provide as much certainty as the acid test ratio.