dawwstickler dawwstickler
  • 22-06-2017
  • Mathematics
contestada

Which exponential function goes through the points (1, 8) and (4, 64)?

Respuesta :

irspow
irspow irspow
  • 22-06-2017
An exponential function can be expressed as:

y=ab^x  we have two points so we can solve

64/8=(ab^4)/(ab^1)

8=b^3

2=b, now we have:

y=a(2^x), using point (4,64)

64=a(2^4)

64=16a

4=a so

y=4(2^x)
Answer Link

Otras preguntas

which country in southeast Asia would like to join Asian soon?​
find the coordinates if the midpoint of the line segment whose endpoints have the given coordinates (2,4) and (6 ,8)
What does the ending of the story suggest about how the narrator will deal with fear and despair in the future? Explain your answer.
Difine Motherboard ~[tex] \: \: [/tex]Thanku ~~​
Help me solve this problem!!! Let p(x) = 3^x. A general quadratic polynomial can be written as q(x) = ax^2+ bx + C. Find the quadratic polynomial q(x) such that
( PLEASE HELP IT HAS A TIMER ) What are the coordinates of point H? -3,1 1/2-1 1/2,31 1/2 , 33, -1 1/2
Carrying an excessive amount of body fat around the waist, which is a risk factor for diabetes, is a condition known as
José labels the triangle shown. Is this the only triangle he can draw with a 16 cm side opposite a 53° angle and an 8 cm side adjacent to the 53° angle? A. yes,
Anne has a 1/4 cup scoop that she uses to pour kernels into a popcorn popper. She uses one full scoop for each batch of popcorn. Anne has 7 cups of popcorn. How
marco bought a 64 ounce bag of popcorn. he ate 5% of the bag with his lunch. How much popcorn did he eat at lunch?​