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Mathematics 8 Online
OpenStudy (anonymous):

James has decided to start saving for a cruise over the summer. His money is currently in the local bank, modeled by the function s(x) = 102. He is able to do work around the neighborhood to earn extra money and that function would be a(x) = 8(x + 2), where x is measured in hours. Explain to James how he can create a function that combines the two and describe any simplification that can be done.

OpenStudy (anonymous):

I'm sorry, I wish I could help but I really don't know the answer to this

OpenStudy (anonymous):

@ganeshie8 @kc_kennylau @ranga @shamil98 @AriPotta

OpenStudy (anonymous):

You need the help of some sort of expert haha I'll tag some

OpenStudy (anonymous):

@ganeshie8 @TuringTest @thomaster

OpenStudy (anonymous):

this looks like a inequality and if it is the the equation might be sort of like \[8(x+2)>102\]

OpenStudy (kc_kennylau):

I'd go with s(x)+a(x)

OpenStudy (kc_kennylau):

which is 102+8(x+2)

OpenStudy (anonymous):

true

OpenStudy (anonymous):

I have another problem a lot like it.

OpenStudy (anonymous):

Christina has some money at home, and the amount is modeled by the function h(x) = 103. She read about a bank that has savings accounts that accrue interest according to the function s(x) = (1.03)x - 1. Using complete sentences, explain to Christina how she can combine her functions to create a new function, and explain what this new function means.

OpenStudy (kc_kennylau):

h(x)+s(x)

OpenStudy (anonymous):

what does her function mean?

OpenStudy (kc_kennylau):

which function are you referring to? because there are three functions in this question

OpenStudy (anonymous):

the question asks what the new function means...

OpenStudy (kc_kennylau):

h(x) is the original money, and s(x) is the interest, so what is the original money and interest combined together? :)

OpenStudy (anonymous):

I dunno :(

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