Question

I WILL GIVE YOU A MEDAL AND FAN PLEASE HELP WITH 5 QUESTIONS. ONLY POSTING ONE AT A TIME!!
Larry and Peggy are making decisions on their bank accounts. Larry wants to put the original money in an account with a higher interest rate. Peggy wants to put more money in as a principle amount because the more you start with, the more interest you will gain. Explain which method will result in more money.

Answer 1

@phi @texaschic101 @welshfella @rational @Tigergirl101 @yingpeng @InfiniteMinds @Owl Buzz @prettygirl876 @animal_lover36 @sweetburger @dan815 @FEARLESS_JOCEY

Answer 2

@Abbles please help

Answer 3

Is there any more information?

Answer 4

no. but the subject thing is exponential functions and stuff like that

Answer 5

Oh okay. I believe it would be Larry's method would earn more because with a higher interest rate, the more money you will earn over time. You might want to get someone to check this one though... not positive.

Answer 6

ok. can you help with a couple more?

Answer 7

Yeah

Answer 8

Wendell is looking over some data regarding the strength of some building materials and how that relates to their length. The data seems to be exponential. How can Wendell determine if the data is exponential, and how can he convert that to a logarithmic function?

Answer 9

Wendell can determine i the data is exponential by finding the equation of the data. He can do that by charting different lengths versus strengths and looking at their correlation. He can then determine if the data is exponential by looking at the function and seeing if it goes up through multiplication or exponents. He could also graph his equation and see if it is a J-curve or not. A J-curve would mean the equation is exponential. He can convert his equation into a logarithmic function once he has determined if it is an exponential function or not.

What grade are you in btw?

Answer 10

I'm a senior but I'm supposed to be a junior. I need to get this class done to graduate.

Answer 11

Alright. What's the next one?

Answer 12

Erika was working on solving the exponential equation 50^x = 17; however, she is not quite sure where to start. Using complete sentences, describe to Erika how to solve this equation and how solving would be different if the bases were equal.

Answer 13

To solve the exponential equation 50^x = 17, Erika will need to use logarithmic functions.
50x=17
log50x=log17
xlog50=log17
x=log17log50
Erika could solve with a calculator and do trial and error until she found some power of 5 that would equal 17 (it's a little above 1.76 by this method). But being a smart person, Erika would see that the best solution would be to take logs of both sides.

Answer 14

You can see this for reference, where I got some of the answer from: https://answers.yahoo.com/question/index?qid=20140116074335AAbH7dC

Answer 15

And here http://openstudy.com/study#/updates/52adedc9e4b0b09acc7f9cd1

Answer 16

Kylee is managing a small theme park and has been analyzing the attendance data. Kylee has found that the number of visitors increases exponentially as the temperature increases. Kylee has also found a linear equation that models the number of people who leave the park early depending on the temperature. Describe how Kylee can combine these two functions into a new function and explain what that function would predict.

Answer 17

The two equations - the one exponential and the linear equation - show the correlation between the number of people at the theme park and the weather. The exponential equation shows that the hotter the weather gets, the more people will be at the park. The second equation shows that the people leave the park early depending on temperature, and this is a linear equation. If Kylee were to combine these two functions into a new function, that function would predict the number of people who would be at the park at a given time, including both the factors of the weather of that day and the time of day. This could also predict the time of day and year the theme park is the busiest, or when it has the most people year round.

Answer 18

Lori has determined a function f(x) that shows the exponential growth of the number of jeans Tim owns each year. Explain how the f−1(x) can be found and what f−1(250) means.

Answer 19

f−1(250) means the year in which Tim owns 250 pairs of jeans
f−1 is found by taking the inverse of the exponential function aka the logarithm

Answer 20

Thank you so much!

Answer 21

You're very welcome :)