
#1
Feb2813, 10:37 PM

P: 86

Q.
Consider the exponential function Q=r*s^t. Letting q= ln(Q), show that q is a linear function of t by writing it in the form q=b+mt. State the values of b and m. Ans. q=(q_{0}(ln(r*S^t_{1})ln(r*s^t_{2})*t_{0}))(ln(r*S^t_{1})ln(r*s^t_{2})T_{0})*t Im pretty sure its right my main question is about the subscripts. 



#2
Feb2813, 11:00 PM

Sci Advisor
P: 779





#3
Feb2813, 11:08 PM

P: 86

Well they aren't used in the original question, but when i looked at the value of m (ln(r*s^t)ln(r*s^t))/tt) and that would come up with a 0 in the denominator which is undefined plus the value of m is not 0. So i used the subscripts to show a variation in the value of t so that one could reach an actual value of m. is there another way to do this?




#4
Feb2813, 11:54 PM

HW Helper
P: 1,391

Formula? Simple just a check of my answer. 



#5
Mar113, 12:04 AM

P: 86

well the right is just ln(r*s^t). I have that in the formula, but i thought it would be good or necessary to specify the value of q and t. Is using subscripts wrong.




#6
Mar113, 12:10 AM

Sci Advisor
P: 779





#7
Mar113, 12:17 AM

P: 86

well I know the log laws i even reviewed them. but is the answer wrong or ?




#8
Mar113, 12:17 AM

P: 86

because i tested the formula and it worked soo... Im just a bit confused about what do do from here




#9
Mar113, 12:52 AM

Sci Advisor
P: 779

On top of that, you don't seem to be understanding what the question is asking. Another Hint: This is the source of your problem: 



#10
Mar113, 01:35 AM

P: 86

Oh I see. q=lnr*s^t. so q=t*(lnr*s) so m=ln r*t and b=0. Thanks a ton pwsnafu, i tend to make questions a lot more difficult than need be and it really helps to have someone point it out a few times.




#11
Mar113, 01:42 AM

P: 86

wait nvm the answer is q= t*ln(s)+ln(r) now its right



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