I have an assignment due on Fri. and my Professor isn\'t scheduling any more off

Question

I have an assignment due on Fri. and my Professor isn't scheduling any more office hours for the week. I am confused with how to find the % growth rate- the other question too. Am I supposed to graph it and find y=mx+b? Yeah. Not too sure how to tackle it.                                                                                                                           I am given numbers ranging from 11540 to 14261 over a span of ten years. (From 1990-2010.)

a) What is the percent growth rate?   b) If that growth rate is sustained for the next 20 years, what will Oregon's power requirements be in the year 2030?

Explanation / Answer

a) percent growth rate = (final value - initial value)/ time taken

= (14261-11540)/10

=272.1 * per year ,where * represent what these number represent.

b) If that growth rate is sustained for the next 20 years, what will Oregon's power requirements be in the year 2030

= 14261 + 271.1*20 = 19683

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