Math Problem Statement
Finland's annual electricity consumption in gigawatt hours (GWh) in 1970β2014 is described by the function π β‘(π₯)=β1,3β’π₯3+58,8β’π₯2+1349,4β’π₯+21β583, where x is the time since 1970 in years.
b) Use a geometry program to draw the graph of the function s in the interval 0 β€ x β€ 44. c) Using the graph, determine in which year the electricity consumption decreased.
Solution
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Math Problem Analysis
Mathematical Concepts
Cubic Functions
Graphing Functions
Critical Points
Maximum and Minimum
Formulas
s(x) = -1.3x^3 + 58.8x^2 + 1349.4x + 21,583
Derivative of a function to find critical points
Theorems
Fundamental Theorem of Calculus
Maxima and Minima Theorem
Suitable Grade Level
High School (Grades 11-12)
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