Solve the Problem
- We Used These Data to Develop the Quadratic Function

question 190

Multiple Choice

Solve the problem
- $$\begin{array} { c | c } & \begin{array} { c } \text { Population } \\\text { Year }\end{array} \\\hline 0 & 65 \\1 & 65.5 \\2 & 67 \\3 & 69 \\4 & 71.5\end{array}$$ We used these data to develop the quadratic function $$f ( x ) = 0.037214 x ^ { 2 } + 0.364 x + 65$$ , which models the population of the city y in millions in the year x. Use the model to find the estimated population in
Year 10.

• A) 71,628,000
• B) 1,490,000
• C) 66,427,000
• D) 1,490,000,000,000

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Definitions:

Three Decimal Places

A numerical expression rounded or precise to three digits to the right of the decimal point.

Graph

A visual representation of data or of a mathematical function on a set of axes.

Simplified

Refers to a condition wherein a mathematical expression or equation has been reduced to its most basic or straightforward form.

Three Decimal Places

It refers to numerical values rounded or precise to the thousandths place, displaying three digits to the right of the decimal point.