### Home > A2C > Chapter 1 > Lesson 1.1.2 > Problem 1-21

1-21.

Make a table and graph the function

Notice that it is a quadratic equation. (Your graph should be a parabola.) Substitute values for and make a table.

Be sure you include negative numbers in your table.

All real numbers are possible for input values and all numbers greater than or equal to zero are possible for output values.

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