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

Chose the meaning of the bold word. ...those were pterodactyls soaring with cavernous gray wings, gigantic bats of DELIRIUM and night fever. A) blindness B) cr
In a group of 25 students, 12 students play basketball, 11 students play football. Five students play both sports. A student is chosen randomly from this group.
____________ nos interesan los libros de Tolstoi.
Which idiom best describes the paragraph? Skylar has been best friends with Kate since they were little, but lately, Skylar has noticed that Kate has been short
Which of the following is a key component of learning new things for preschoolers? A. repetition of an idea B. reading about an idea C. brief exposure to an
At keller's bike rentals, it costs $28 to rent a bike for 8 hours. how many dollars does it cost per hour of bike use?
Which equation is a point-slope form of the equation of this line?
Find the unit price rounded to the nearest cent: 5.8 lbs for $4.89. Question 2 options: $0.84 $0.79 $0.90 $0.91
Ellos me _________ dinero para comprar los comestibles
A compact disc is designed to last an average of 4 years with a standard deviation of 0.8 years. What is the probability that a CD will last less than 3 years?