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Mathematics 20 Online
OpenStudy (anonymous):

Which of the following options is an equivalent function to f(x) = 3(2)3x? f(x) = 3(8)x f(x) = 24x f(x) = 27(8)x f(x) = 3(8x) @nerlineg

OpenStudy (anonymous):

@nerlineg are you there?

OpenStudy (anonymous):

is the problem correct? (3)(2)(3x)?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

YES LOL IS IT RIGHT?

OpenStudy (astrophysics):

Are they all exponents?

OpenStudy (astrophysics):

You need to learn to put your answers right, if the function has exponents you put this little hat, 34x^2 like that, if it doesn't you put just x, we can't read minds.

OpenStudy (anonymous):

oh okay i know now for the next time

OpenStudy (astrophysics):

Ok so fix it now

OpenStudy (anonymous):

f(x) = 3(8)^x f(x) = 24^x f(x) = 27(8)^x f(x) = 3(8x)

OpenStudy (astrophysics):

And the original?

OpenStudy (anonymous):

yes

OpenStudy (astrophysics):

I mean, is what we're looking for related to f(x) = 3(2)3^x or is that just x..

OpenStudy (anonymous):

f(x) = 3(2)^3x

OpenStudy (astrophysics):

ok so its \[f(x) = 3(2)^{3x}\]

OpenStudy (anonymous):

ok so, thats the answer?

OpenStudy (astrophysics):

Well this isn't how it works, I will not give you the answer, because when it comes to your tests you will have no idea what you will be doing, like I said earlier you can graph these out yourself, but I know you won't do that. So I'll just leave you with this image and you can figure it out. |dw:1436408034241:dw| these are all the functions and this is the original, you can try figuring out what is going on here. |dw:1436408096675:dw|

OpenStudy (anonymous):

I DONT KNOW HOW?

OpenStudy (anonymous):

OH wait, the answer its f(x)= 3(8x)?

OpenStudy (astrophysics):

I think you should really review your exponent rules, because you don't even need graphs for this problem \[f(x) = 3(2)^{3x} \implies 3(8)^x\]

OpenStudy (anonymous):

thank you

OpenStudy (anonymous):

A?

OpenStudy (anonymous):

Identify the domain of the exponential function shown in the following graph:

OpenStudy (anonymous):

−5 ≤ x ≤ 5 0 ≤ x ≤ 5 All real numbers All positive numbers

OpenStudy (anonymous):

@nerlineg

OpenStudy (anonymous):

you know the answer?

OpenStudy (anonymous):

@ASAPT @chrisdbest @astrophysics

OpenStudy (anonymous):

@Vocaloid

OpenStudy (anonymous):

real numbers

OpenStudy (anonymous):

s not positive i see negatives

OpenStudy (anonymous):

thank you so much! so the answer its C?

OpenStudy (anonymous):

All real numbers?

OpenStudy (anonymous):

yes your right let me know if you got it right !

OpenStudy (anonymous):

yes it is thank you so much!! you're awesome

OpenStudy (anonymous):

Which inequality matches the graph?

OpenStudy (anonymous):

A)−2x + 3y > 7 B)2x − 3y < 7 C)−3x + 2y > 7 D)3x − 2y < 7

OpenStudy (anonymous):

@nerlineg

OpenStudy (anonymous):

if i was to guess ill pick B

OpenStudy (anonymous):

was that right?

OpenStudy (anonymous):

I THINK IS D

OpenStudy (anonymous):

I CHOOSE THAT

OpenStudy (anonymous):

did you get it right?

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