makennamarieb
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 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

PLEASE HELP ME I REALLY NEED HELP
Im trying to write a report on automobiles. Any ideas??
Which word set completes the following analogy? ear : sound :: __________:_________ A. words : mouth B. nose : sneeze C. feel : finger D. eye : light
A force of 83 newtons is applied to a wire with a diameter of 0.5 mm. what is the tensile stress (in n/m2) in the wire? do not include units with the answer.
rewrite the equation in graphing form. f(x)=x^2+6x+15
I need help on this question
Find the value of x please answer need answers ASAP
need help must bring back to my school August 8
A car drives at a constant speed of 14 m/s around a circle with radius 55 m. What is the centripetal acceleration of the car? A. 2.3 m/s2 B. 3.6 m/s2
In one to three sentences, describe what happens during the carbon fixation stage of the Calvin cycle.