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Does this graph show a linear, quadratic or Exponential function? Justify your answer.. PLEASE HELP

 
 
Cyrus23
 
Reply Sun 20 Apr, 2014 06:39 pm
http://i58.tinypic.com/a0f39s.jpg


Title says it all!
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Type: Question • Score: 2 • Views: 2,197 • Replies: 4
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raprap
 
  1  
Reply Sun 20 Apr, 2014 10:35 pm
As the coordinate space is 1:1 it obviously isn't linear (not a straight line segment)

Rap
0 Replies
 
raprap
 
  1  
Reply Mon 21 Apr, 2014 07:08 am
Using the starting point (0,1) I'd say it's more likely to be exponential.

Why? If y=k^x where k is any real constant---then for x=0 then y=k^0=1

Rap
0 Replies
 
Basic Biology
 
  -1  
Reply Mon 18 Aug, 2014 04:14 am
@Cyrus23,
The gradient of the line is continuously increasing along the x-axis so it is exponential.

It has been a long time since I have done this but I'm pretty sure it can be explained as a linear function will always have a constant gradient, an exponential function will have either a continuously increasing or decreasing gradient and a quadratic function will have both increases and decreases to its gradient
0 Replies
 
benerton
 
  2  
Reply Wed 10 Jun, 2015 06:11 am
@Cyrus23,
It is the graph of the function x -> x^2/4 +1, so clearly quadratic.
0 Replies
 
 

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