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Mathematics 13 Online
OpenStudy (horsegirl27):

I will medal and fan! I need help!!!! I'm very confused!!

OpenStudy (horsegirl27):

2.While in the United States visiting her grandmother, Kendra copied the famous family apple pie recipe. When she returns to England, she plans on making the same apple pie for her friends. To do this, Kendra needs to convert the flour from cups to grams. She knows that 0.5 cup of flour has a mass of 64 grams and 2 cups of flour has a mass of 256 grams. A.Write a function that shows grams as a function of cups. Use g(x). B.Given this scenario, determine a reasonable domain for this function. C.Graph the relationship between the number of cups and grams of flour. D.Evaluate g(x) for any value of x within the domain. Interpret the meaning of your solution in the context of this problem. E.Look at the method you used to evaluate your function in part D. Explain another way you can evaluate the function for the same input. F.Interpret what it means to have g(-2), and determine if this is reasonable given the situation.

OpenStudy (horsegirl27):

@AnswerMyQuestions Please help me!!

OpenStudy (horsegirl27):

@bohotness I need you to explain E more I understand what you said for D but I'm confused about E

OpenStudy (horsegirl27):

@iGreen can you help?

OpenStudy (bohotness):

yes love okay

OpenStudy (horsegirl27):

@bohotness can you explain B and give me a better domain then what I got from someone 0<x<500

OpenStudy (bohotness):

you got it lovE:D

OpenStudy (horsegirl27):

So is 0<x<500 a good domain? Or what ah I'm so confused please help me!!!

OpenStudy (bohotness):

am still yet to verify the function, however, to graph it, is the most simplest thing, if g(x)=y=128x, what is y when x=o, y when x =1 y when x= 2 y when x= 3 y when x= 4 now, the most reasonable amount of flour one would mix , is may be 4 cups. so when x=1,y=128(0)=0 so the graph passes through the point (0,0) Do this for all the values of x and then join the graph

OpenStudy (bohotness):

sorry, whenx=1,g(x)=128(1)=128, and when x=0,g(x)=128(0)=0,(0,0)

OpenStudy (horsegirl27):

o.0

OpenStudy (horsegirl27):

um thanks.. still confused though.. :(

OpenStudy (bohotness):

256 , and so on and so on

OpenStudy (horsegirl27):

So I know A, g(x)=1/128x. I'm not sure about B, I have a graph for C, and other than that, I'm completely lost. I don't even understand the question, like what's happening. So lets start at the beginning, and you explain what is happening. That might help. Then explain what I have to do. Then explain B, like give me the answer and explain every part, then lets move on to D, again explaining every step, and the same for E and F. That would really help:)

OpenStudy (horsegirl27):

@bohotness If you could do that it would really help:)

OpenStudy (bohotness):

YOU GOT XD

OpenStudy (horsegirl27):

Sooo... lets start by you explaining what's happening

OpenStudy (bohotness):

OAKY wait this same question?

OpenStudy (bohotness):

A reasonable domain would be x ≥ 0

OpenStudy (horsegirl27):

what?

OpenStudy (bohotness):

A reasonable domain would be x >_ 0

OpenStudy (horsegirl27):

Oh ok

OpenStudy (bohotness):

^check pm

OpenStudy (mathmath333):

i think for A it should be \(g(x)=128x\) where \(x=number~ of~ cups\)

OpenStudy (horsegirl27):

I got A

OpenStudy (bohotness):

^did you get my pm?

OpenStudy (horsegirl27):

@bohotness thanks

OpenStudy (horsegirl27):

yep

OpenStudy (bohotness):

yw

OpenStudy (horsegirl27):

whats yw

OpenStudy (horsegirl27):

@mathmath333 do u know part E

OpenStudy (mathmath333):

\(\large y\)ou are \( \large w\)elcome

OpenStudy (mathmath333):

let me read it

OpenStudy (bohotness):

your welcome

OpenStudy (bohotness):

o.o e is easy

OpenStudy (mathmath333):

it is related to D , what u got for D

OpenStudy (mathmath333):

for E i think evaluating can be done by \(\text{graphing the equations}\)

OpenStudy (mathmath333):

for \(g(-2)=128\times -2=-256\) \(-256 \) is not possible in real world so it doesn't makes sensse

OpenStudy (horsegirl27):

Thank you!

OpenStudy (bohotness):

thnaks for the medals

OpenStudy (horsegirl27):

\(\huge\color{hotpink}\star\huge\color{blue}\star\huge\color{green}\star\huge\it\color{#00FFB8}{your~welcome!}\huge\color{yellow}\star\color{purple}\star\huge\color{orange}\star\)

OpenStudy (horsegirl27):

\(\huge\it\color{red}{@bohotness}\)

OpenStudy (horsegirl27):

\(\\\bbox [10pt, #00ffab,border:5pt solid blue ]{\color{#872AF0}{\huge\cal ~\heartsuit horsegirl27\heartsuit}}\)

OpenStudy (horsegirl27):

@bohotness

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