Write an equation that shows the relationship between cost in dollars (y) and weight (x).
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I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:
Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
