Solve. -Suppose That a Polynomial Function Is Used to Model the the Data

question 10

Multiple Choice

Solve.
-Suppose that a polynomial function is used to model the data shown in the graph below. Determine the degree of the polynomial function of best fit and the sign of the leading coefficient.

• A)Degree 3; positive leading coefficient.
• B)Degree 4; negative leading coefficient.
• C)Degree 4; positive leading coefficient.
• D)Degree 3; negative leading coefficient.

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Definitions:

Basket Of Goods

A fixed set of consumer products and services valued on a regular basis for the purpose of tracking inflation through the consumer price index (CPI).

Firms

Businesses or economic entities engaged in commercial, industrial, or professional activities.

Substitution Bias

The distortion in calculating inflation that occurs when consumers switch their spending from higher-priced goods to lower-priced alternatives.

CPI

CPI, or Consumer Price Index, measures the average change over time in the prices paid by urban consumers for a market basket of consumer goods and services.