Math things

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Across
  1. 4. All the values that go into a function.
  2. 5. a function that represents a straight line on the coordinate plane.
  3. 7. a relationship or expression involving one or more variables.
  4. 8. The difference between the lowest and highest values.
  5. 9. what comes out of the function.
Down
  1. 1. a variable (often denoted by y ) whose value depends on that of another
  2. 2. a function that is not a linear function.
  3. 3. what goes into the function
  4. 6. a variable (often denoted by x ) whose variation does not depend on that of another.