38 Answered Questions for the topic Exponential

How do you know if this is exponential or linear?

Johnny earns $25 each weekend for mowing his neighbor’s yard. He saves this money in a jar andstores it under his bed. What type of function would represent how much money Johnny has in his... more

How do I graph exponential functions? very confusing!

Which is the graph of y=2(3/4)^x?Can u please graph this and explain how you graphed it*this is exponential*

How do I know if its constant or exponential and how it changed?

Time (year) Investment A (dollars) Investment B (dollars)0 3500 40001 3800 ... more

Im confused how to solve this???

Terry is given two salary options by his employer. The first option is a starting salary of $20,000 thatincreases by $500 each year he is with the company.The second option is a starting salary of... more

Im confused how to solve this??

The value of a house is modeled by the function H x = 200,000(1.005)^1/3xwhere x is thenumber of years since 2000. By what approximate percent rate is the value of the house increasing peryear?a.... more

How do I solve this??

A newly hatched channel catfish typically weighs about 0.06 gram. During the first 6weeks of life, its weight increases by about 10% each day. Write a function to model thesituation. How much does... more

How do I find the years? without a graphing calculator??

A fully loaded Toyota Forerunner sells for 42,000. It depreciates 12% per year from the date of purchase. How many years will it take to be worth half its purchase price?I have found this... more

07/09/19

How do I create exponential equations?

A colonial settlement started with 500 people and food sources adequate to feed 500 people. They are able to expand their resources to feed 30 additional people each year. The population is growing... more

06/20/19

How to solve the following exponential equation

5*2x-7=10How to solve?

04/04/19

Growth and Decay Problem

After the release of radioactive material into the atmosphere from a nuclear power plant in a country in 1984, the hay in that country was contaminated by a radioactive isotope (half-life 5 days).... more

03/21/19

The dimensions of a piece of paper used to wrap a rectangular package are x and 2x−1inches. What is the function with the dimensions that result in the maximum area for the wrapping paper?

Determine the type of function--exponential, linear, or quadratic-- that is most appropriate to model the situation described. Then, use the chosen function model to complete the problem.

03/15/19

Is f (x) = 4x + 3 linear, exponential or neither

02/04/19

Determine if each function is an example of exponential growth or decay? Explain how you came to your conclusion.

a) y= 2(0.3)^xb) y= 1/2(5)^xc) y= (5/4)^xd) y= (2/7)^xe) y= 4(1.8)^x f) F(x)= 2(0.6)^x

01/24/19

the value of a textbook is 79$ and decreases at a rate of 15% per year

the value of a textbook is 79$ and decreases at a rate of 15% per year

12/09/18

given the function f(x)=-2e^x, find f(x) if x=3

04/16/18

hey found that approximately 94% of the original carbon 14 remained. Carbon 14 decays by 1.202% every 100 years, determine the approximate age of this sample.

This is an exponential problem. Looking for the age are the Carbon 14.

03/18/18

Find the value of x

1. 3^x+3^x+3^x=243 I need the solution

11/10/17

Rewrite each equation in exponential form - Show Work

Equation: log16 2 = 1/4   Choices:   A) (1/4)^2 = 16   B) 161/4 = 2   C) 162 = 1/4   D) 216 = 1/4

08/20/17

exponential decay model

 Use the exponential decay model, A=A o e^kt. The half-life of thorium-229 is 7340 years. How long will it take for a sample of this substance to decay to 20% of its original amount? Round answers... more

03/29/17

exponential equation

rewrite as an exponential equation: ln30=3.4012

01/29/17

Log problems and solving

Leave as a simplified fraction  a) 3=log sub 9(x/729) b)log sub 4y=1/3log sub 4(1728) - log sub 4(8)+log sub 4(14) c) write in log form: e^.23=1.259
1

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