Math Problem Statement
Using the available data, the percent of people in the world who are Internet users can be modeled by the function y=−0.0941x2+3.87x+28.7, with x representing the number of years after 2010 and y representing the percent. a. Graph the function for the years 2010 through 2040. b. Find the year in which the percent is maximized. c. If the model is valid, what will happen to the percent of people in the world who are Internet users after 2031?
Solution
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Math Problem Analysis
Mathematical Concepts
Quadratic Functions
Maximization
Parabolas
Formulas
Quadratic function: y = ax^2 + bx + c
Vertex formula: x = -b / (2a)
Theorems
Vertex Theorem for Quadratic Functions
Suitable Grade Level
Grades 9-12
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