A ashuyoung New member Joined Apr 4, 2017 Messages 1 Apr 4, 2017 #1 this is the equation i came up with while trying to fit my curve to a power regression y=21.665x^-0.264 find x if y =50 Thanks in advance
this is the equation i came up with while trying to fit my curve to a power regression y=21.665x^-0.264 find x if y =50 Thanks in advance
D Deleted member 4993 Guest Apr 4, 2017 #2 ashuyoung said: this is the equation i came up with while trying to fit my curve to a power regression y=21.665x^-0.264 find x if y =50 Thanks in advance Click to expand... Use properties of logarithms. What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/announcement.php?f=33
ashuyoung said: this is the equation i came up with while trying to fit my curve to a power regression y=21.665x^-0.264 find x if y =50 Thanks in advance Click to expand... Use properties of logarithms. What are your thoughts? Please share your work with us ...even if you know it is wrong. If you are stuck at the beginning tell us and we'll start with the definitions. You need to read the rules of this forum. Please read the post titled "Read before Posting" at the following URL: http://www.freemathhelp.com/forum/announcement.php?f=33
H HallsofIvy Elite Member Joined Jan 27, 2012 Messages 7,760 Apr 4, 2017 #3 If \(\displaystyle y= Ax^B\) then log(y)= Blog(x)+ log(A) so that log(x)= (log(y)- log(A))/B. Last edited: Apr 4, 2017
