Algebra practice question

Answer: 12

The slope is 4, so a change of 3 in x changes f by 12; check: f(5) − f(2) = 17 − 5 = 12.

Common wrong answers

If you answered 3

3 is the change in x.

If you answered 4

4 is the slope per unit.

If you answered 17

17 is f(5) alone.

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