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Function domain word problems


Mason stands on the 5th step of a vertical ladder. The ladder has 15 steps, and the height difference between consecutive steps is 0.5 m.
h(n) models the height above the ground of Mason's feet (in m) after moving n steps (if Mason went down the ladder, n is negative.)
Which number type is more appropriate for the domain of h?
Choose 1 answer:
What's the appropriate domain?
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