You can have asymptotes in the x or y direction.
The function y = e-x goes to zero as x goes to infinity. So the root (when x = 0) is only "reached" asymptotically.
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When solving a quadratic equation by factoring, we set each factor equal to zero because of the Zero Product Property. This property states that if the product of two factors is zero, then at least one of the factors must be zero. By setting each factor to zero, we can find the specific values of the variable that satisfy the equation, leading to the solutions of the quadratic equation.
Yes and they will be of equal value
if it touches at three points it is a straight line. Since it is also an asymptote, it will be a straight horizontal line (zero slope)
Set 'x' equal to zero, and solve the remaining equation for 'y'.