Chapter 2: Introduction to Linear Polynomials

Exercise

Question

Question: 1 (iii)

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Suppose a plant has height 1.75 feet and it grows by 0.5 feet each month.

(iii) Find an expression that relates h and t, and explain why it represents linear growth.

Answer

1
Recall the expression derived in the previous question for the plant height after t months.
Answer: $h = 1.75 + 0.5t$
2
Explain why the expression represents linear growth.
Answer: The height increases by the same amount, 0.5 feet, every month. Therefore, the relationship between $h$ and $t$ represents linear growth.
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