gabysilva00107 gabysilva00107
  • 25-07-2017
  • Mathematics
contestada

Write an exponential function y=an^x for a graph that includes (-4,72) and (-2,18)

Respuesta :

irspow
irspow irspow
  • 25-07-2017
18/72=(ar^-2)/(ar^-4)

1/4=r^2

r=(1/4)^(1/2)

r=1/2

18=a(1/2)^-2

18=4a

9/2=a

y=(9/2)(1/2)^x


Answer Link
wes23465
wes23465 wes23465
  • 13-11-2019

Answer: 1/2

Step-by-step explanation: hope u got it right

Answer Link

Otras preguntas

What is 0.36 expressed as a fraction in simplest form? Enter your answer in the box. Repeating 36
A thesis statement is
What is the value of y? 3y^2 − 6 = 42
With which county did Otto von Bismarck purposely start a war in 1866 to gain control of German-speaking states?
What is 71 X 9? WITH work.
Show me a graph that best represents the solution set to the system of a linear inequalities; y-x>0. y-1>0
Given: Circle k(O), O∈ PL KE - tangent at E KE=18, PL=15 Find: KP
There are many different types of objects in the solar system. Which type of object is the Sun?
Explain what roles behavior plays for animals.
What is the feet distance