SOLUTION: When asked to graph a funtion we are asked to identify the intercepts, why? Why are the important? Give a real world example. Thanks

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Question 461519: When asked to graph a funtion we are asked to identify the intercepts, why? Why are the important? Give a real world example.
Thanks
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
They give us the values where the function value is equal to zero. For example, if you throw a ball in the air, you can model the height vs. time, in which the x-intercepts represent the time(s) when the ball hits the ground. There are many other examples in chemistry, biology and engineering.