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OpenStudy (kitkat1):
Medal for Best answer! Which of the following exponential functions goes through the points (1, 6) and (2, 12)? f(x) = 3(2)x f(x) = 2(3)x f(x) = 3(2)−x f(x) = 2(3)−x
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OpenStudy (kitkat1):
Can someone plz help me
OpenStudy (anonymous):
What do you think? :D
OpenStudy (kitkat1):
The last one
OpenStudy (kitkat1):
But not really sure
OpenStudy (anonymous):
ya, it is :D
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OpenStudy (kitkat1):
are u sure why?
OpenStudy (anonymous):
definitely not D
OpenStudy (kitkat1):
Then B?
OpenStudy (anonymous):
lets try \[f(x) = 3(2)^x\]
OpenStudy (anonymous):
and then we can try \[f(x)=2(3)^x\] and see which one works, instead of guessing A, B, ...
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OpenStudy (anonymous):
both give you \[f(1)=6\] the question is, which one gives \(f(2)=12\)
OpenStudy (anonymous):
A would be \[f(2)=3\times 2^2\] and B would be \[f(2)=2\times 3^2\] which one equals 12?
OpenStudy (kitkat1):
A
OpenStudy (kitkat1):
So the answer is A?
OpenStudy (kitkat1):
satelite 73
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