Describe how to find the x-intercepts of a rational function. Include both the long way and the shortcut way, explaining why the shortcut makes mathematical sense.
- To find the x-intercept of a rational function, we must first have the complete factored of the equation done, then set the whole equation to zero. When we do so, we must get rid of the denominator of the equation, so, we multiply the denominator on both sides of the equation. so, in the end, we are simply setting then numerator to zero.
- Do not forget to put it in correct notation!
- Ex) (4,0)
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