makennamarieb makennamarieb

01-07-2018
Mathematics

contestada

Solve
f(x)=15(0.2)^x
f(x)=40+1^x
X=years
Solve for x.
Thanks to whoever answers and best answer will be brainiest!

Respuesta :

konrad509 konrad509

01-07-2018

[tex]f(x)=15\cdot0.2^x\\ 0.2^x=\dfrac{f(x)}{15}\\ x=\log_{0.2}\dfrac{f(x)}{15}\\\\\\ f(x)=40+1^x\\ 1^x=f(x)-40\\ x=\log_1(f(x)-40)[/tex]

Answer Link

Otras preguntas

what is the irony of text lebanon's drinking water.

A three meter deck is built around a square pool find the dimensions of the square pool if the area of the pool and deck measures 324 metered squared

28. Some boys were seated around a circular table. A bag of 41 sweets was passed around the table, starting from Ali. Each boy took the same number of sweets. W

What is −314×435 ? Write the answer as a mixed number in simplest form.

what is the meaning of customer in marketing?

Which expression does not factor? M^3+1 M^3-1 M^2+1 M^2-1

HELP. Using the data from the drawing, find the area of the sphere (O is the center of the sphere):

what's the best apk to get money ?

London bought 5 bottles of water a day for 18 days. On the 19th day, London bought 8 bottles of water. Write an expression that matches the sentence above.

(e) In the adjoining figure, P is mid-point of side AD