Asked by Rachel
What is the range of the function
f(x)=3-2*51^x? Give your answer as an interval.
f(x)=3-2*51^x? Give your answer as an interval.
Answers
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
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
Answered by
Reiny
forgot the zero in the first line , should read:
as x is hugely negative, 2*51^x ----> 0
as x is hugely negative, 2*51^x ----> 0
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