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

2/9 of students in a school are in sixth grade.​
please help! What figurative language is this? The rustle of the leaves alerted the deer to the presence of the hunter.
¿Qué pensaba Sócrates sobre el ser humano?
Find the radius of a circle in which the central angle, a, intercepts an arc of the given length s. a = 30°, s = 87 km The radius is =__Km
18) Which choice shows three lengths that cannot be the lengths of the three sides of a triangle? OA) 10 cm, 9 cm, 3 cm OB) 3 cm, 5 cm, 10 cm OC) 15 cm, 10 cm,
Questions about marriages? Can you get married with the same person twice In a year? Like could you get married at court first then have a ceremony in later mon
Find the value of x, if the area of the square = 49
What’s one example of Imagery in Dulce et Decorum Est?
what is euclid's lemma
Real answers. Bad answers and links will be reported. What is the first step in constructing an analytical essay? 1) Develop paragraphs. 2) Write a thesis state