SOLUTION: Find the domain of the function. p(x)=x squared

SOLUTION: Find the domain of the function. p(x)=x squared - 2x + 9 What is the domain of p?

Question 235329: Find the domain of the function.
p(x)=x squared - 2x + 9
What is the domain of p?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Ask yourself this question: "Is there a number that I cannot plug in?" In other words, do we have to worry about division by zero, taking the square root of negative numbers, etc...? The answer is no. There aren't any numbers to worry about since any number can be plugged in. So this means that the domain is all real numbers.
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