Question

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? (1 point)
1) The height of the sunflower plant is 60 cm when it is 210 days old.
2) The height of the sunflower plant is 210 cm when it is 60 days old.
3) The height of the sunflower plant is 210 cm when it is 3.5 days old.
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4) The height of the sunflower plant is 60 cm when it is 3.5 days old.

Answer 1

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

Explanation:

Given:

The height of the sunflower plant is given by the value of the function
`f(x)` for a given value of 'x' and the age of the plant is given by
`x`.

The expression is given as:

`f(60)=210`

So, the 'x' value is 60 and the function value is 210.

So, the age of the plant is 60 days old. The height of the plant is 210 cm.

Thus, the above expression
`f(60)=210` means that the height of the sunflower plant is 210 cm when the plant is 60 days old.

So, from among all the choices given, only choice (2) defines it correctly.