SOLUTION: Find the limit of the function algebraically. (2 points) limit as x approaches nine of quantity x squared minus eighty one divided by quantity x minus nine. show work please

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Question 1138647: Find the limit of the function algebraically. (2 points)
limit as x approaches nine of quantity x squared minus eighty one divided by quantity x minus nine.
show work please
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

lim%28x+-%3E9%2C+%28%28x%5E2+-81%29%2F%28+x+-9%29%29%29...simplify first

lim%28x+-%3E9%2C+%28%28x%5E2+-9%5E2%29%2F%28+x+-9%29%29%29

lim%28x+-%3E9%2C+%28%28%28x+-9%29%28x%2B9%29%29%2F%28+x+-9%29%29%29

lim%28x+-%3E9%2C+%28%28cross%28%28x+-9%29%29%28x%2B9%29%29%2Fcross%28%28+x+-9%29%291%29%29

lim%28x+-%3E9%2C+%28x%2B9%29%29=9%2B9=18