High School

If \( f(x) \) is the height, in cm, of a sunflower plant which is \( x \) days old, which of the following statements best describes the meaning of \( f(60) = 210 \)?

A. The height of the sunflower plant is 60 cm when it is 210 days old.
B. The height of the sunflower plant is 210 cm when it is 60 days old.
C. The height of the sunflower plant is 210 cm when it is 3.5 days old.
D. The height of the sunflower plant is 60 cm when it is 3.5 days old.

Answer :

f(60) = 210 means that the flower is 210 cm long when it is 60 years old. The correct answer is (B). If we express (A) into a function, it would be f(210) = 60, and this is wrong. Doing the same for (C) and (D) will show that both do not match the given function.

Answer: B

The height of the sunflower plant is 210 cm when it is 60 days old.

Step-by-step explanation:

If f(x) is the height, in cm, of a sunflower plant that is x days old, then x would be 60days old when the plant is 210cm

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