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

Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
What are the advantages and disadvantages of globalization
What are the advantages and disadvantages of globalization
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
What are the advantages and disadvantages of globalization
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O
Hey guys, I need 5 sentences!¿Prefieres viajar en coche, en tren, en barco o en avión? ¿Por qué?
What are the advantages and disadvantages of globalization
how do you balance __H2SO4 + __B(OH)3 --> __B2(SO4)3 + __H2O