Worldwide, wind energy59 generating capacity, W, was 39,295 megawatts in 2003 and
Chapter 1, Problem 28(choose chapter or problem)
Worldwide, wind energy59 generating capacity, W, was 39,295 megawatts in 2003 and 120,903 megawatts in 2008. (a) Use the values given to write W, in megawatts, as a linear function of t, the number of years since 2003. (b) Use the values given to write W as an exponential function of t. (c) Graph the functions found in parts (a) and (b) on the same axes. Label the given values. (d) Use the functions found in parts (a) and (b) to predict the wind energy generated in 2010. The actual wind energy generated in 2010 was 196,653 megawatts. Comment on the results: Which estimate is closer to the actual value? 2
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