+0  
 
0
177
2
avatar
This is exponential growth: Find an exponential function of the form f(x) =ba^x or f(x)=ba^x+c: Given (0,2) and (1,5).
Guest Apr 20, 2012
Sort: 

2+0 Answers

 #1
avatar+3071 
0
f( x ) = ba^x

Guest:

Given (0,2) and (1,5).


f( 0 ) = 2
f( 1 ) = 5

2 = b*a^0
5 = b*a^1

[input]solve( 2 = b*a^0, 5 = b*a^1 )[/input]
b = 2
a = 2.5


test:
f( 0 ) = 2 * 2.5^0 = 2 (check)
f( 1 ) = 2 * 2.5^1 = 5 (check)
admin  Apr 20, 2012
 #2
avatar
0
thank you
Guest Apr 21, 2012

18 Online Users

avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details