This term refers to the limit of a function as x approaches infinity, where the output becomes arbitrarily close to zero.
Horizontal asymptote at y = 0: When the graph of a function gets closer and closer to the x-axis as x approaches positive or negative infinity.
Infinite limit: A limit that does not exist because the function grows without bound as x approaches a certain value.
Exponential decay: A type of function where the output decreases rapidly over time.
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