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Veronika [31]
3 years ago
14

Is y = 0 the asymptote of all functions of the form f(x) = ab^x? Explain your reasoning.

Mathematics
1 answer:
xeze [42]3 years ago
6 0
Y=0 would be a horizontal line.  An asymptote is a line that a function approaches, but never reaches.  Exponential functions such as these are a smooth curve.  If both numbers are positive numbers greater than or equal to 1, the curve increases.  If at least one of the numbers is a positive number between 0 and 1, the curve decreases.  If <em>a</em> is a negative number, the curve decreases as well.  If either <em>a</em> or <em>b</em> is zero, then the graph would stay constant at 0.  However, as long as neither <em>a</em> nor <em>b</em> is zero, then this graph will never touch that point.  The only way to get an answer of y=0 is to multiply by 0.  If neither <em>a</em> nor <em>b</em> is zero, this won't happen.
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