# precal

Given an initial value of 17 g, which is halving once each 32 hours, an exponential function in term of hour t which models this situation is ...?

1. 👍 0
2. 👎 0
3. 👁 77
1. Value= 17(1/2)^time/32 where time is in hours.

or...

Value= 17 e-.692t

1. 👍 0
2. 👎 0

## Similar Questions

1. ### Calc

The number of bacteria in a culture is increasing according to the law of exponential growth. There are 125 bacteria in the culture after 2 hours and 350 bacteria after 4 hours. a) Find the initial population. b) Write an

asked by Erica on January 6, 2011
2. ### Algebra

Under ideal conditions, a population of e. coli bacteria can double every 20 minutes. This behavior can be modeled by the exponential function: N(t)=N(lower case 0)(2^0.05t) If the initial number of e. coli bacteria is 5, how many

asked by Janice on July 5, 2015
3. ### Algebra

A can of soda is placed inside a cooler. As the soda cools, its temperature T(x) in degrees Celsius is given by the following exponential function, where is the number of minutes since the can was placed in the cooler.

asked by Jessica on June 15, 2011
4. ### Exponential Growth and Decay

Can somebody please check my answers? 1. Identify the initial amount a and the growth factor b in the exponential function. g(x)=14*2^x a)a=14, b=x b)a=14, b=2

asked by Sage on February 16, 2016
5. ### Algebra

The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 3.7% per hour. How many hours does it take for the size of the sample to double? Note:

asked by Kanise on November 25, 2015
1. ### statistics

The Information Systems Audit and Control Association surveyed office workers to learn about the anticipated usage of office computers for personal holiday shopping. Assume that the number of hours a worker spends doing holiday

asked by Jenna on April 4, 2017
2. ### Algebra

Two different businesses model their profits over 15 years, where x is the year, f(x) is the profits of a garden shop, and g(x) is the profits of a construction materials business. Use the data to determine which function is

asked by Harmony on September 24, 2019
3. ### math- HELP!

The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth

asked by Ellie on January 2, 2016
4. ### Algebra

The exponential function f(x) = 3(5)x grows by a factor of 25 between x = 1 and x = 3. What factor does it grow by between x = 5 and x = 7? A) 5 B) 25 C) 125 D) 625 3) If a city that currently has a population of 1000 triples in

asked by Izzy on February 13, 2020
5. ### Math Functions

Write two equations to represent the same exponential function with a y-intercept of 5 and an asymptote at y=3 . Investigate whether other exponential functions have the same properties. Use the transformations to explain your

asked by Jacob on July 26, 2015
6. ### math

8. The half-life of a certain radioactive material is 71 hours. An initial amount of the material has a mass of 722 kg. Write an exponential function that models the decay of this material. Find how much radioactive material

asked by emily on May 11, 2016