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Asked by Rachel

What is the range of the function
f(x)=3-2*51^x? Give your answer as an interval.
10 years ago

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Answered by Reiny
as x is hugely negative, 2*51^x ---->
so f(x) ----> 3 - 0 or 3
as x becomes hugely positive -2*51^x --->- ∞

do the range is y < 3

I will let you use whatever notation you have learned
10 years ago
Answered by Reiny
forgot the zero in the first line , should read:

as x is hugely negative, 2*51^x ----> 0
10 years ago

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