The Following Table Shows the Annual Revenues (In Millions of Dollars)

question 25

Multiple Choice

The following table shows the annual revenues (in millions of dollars) of a pharmaceutical company over the period 1990-2011. The scatterplot indicates that the annual revenues have an increasing trend. Linear, exponential, quadratic, and cubic models were fit to the data starting with t = 1, and the following output was generated. When all four trend regression equations are compared, which of them provides the best fit?

• A) Linear
• B) Exponential
• C) Quadratic
• D) Cubic

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Definitions:

Radical Equation

A mathematical equation that involves a radical, where the variable is inside a root, such as a square root or cube root.

Graphing Calculator

A handheld or software tool that plots graphs, solves equations, and performs other mathematical calculations.

Pythagorean Theorem

A fundamental relation in Euclidean geometry among the three sides of a right triangle, stating that the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Radical Equation

An equation in which the variable is contained within a radical symbol or has a radical expression with the variable.