SOLUTION: y=-2(4)^x is the asympote -1 ?

Question 433675: y=-2(4)^x
is the asympote -1 ?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
y=-2(4)^x
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What is the minimum value 4^x can have?
Answer: It can never be negative or zero,
but it can get closer and closer to zero
from the positive side as x gets closer
and closer to -infinity.
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So, you multiply by -2; you will get negative
numbers that get closer and closer to zero from
the negative side.
---
So what is the horizontal asymptote?
It would have to be y = zero
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Cheers,
Stan H.
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