Question

If f(x) is the height, in cm, of a sunflower plant that 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 1

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

Explanation:

Answer 2

B

Explanation:

We are given f(x) is height in cm while x is days old.

We are also given f(60)=210.

If you compare f(60) to f(x) you should see that x is 60 so we have the sunflower is 60 days old. Since f(60)=210, then you have the height of the sunflower is 210 cm tall.