Question: please don't answer question 13. I only need question 12 answer 12. Is it true that the Domain of a quadratic function is: x is
please don't answer question 13. I only need question 12 answer

12. Is it true that the Domain of a quadratic function is: x is from (-co, co) because the quadratic function is a polynomial (no restriction(s) on the variable)? 13. Is the Example correct? Example. Given: vertex V (-1, 5) and the parabola opens upward
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