Question

The length of a field in yards is a function ƒ(n) of the length n in feet. Write a function rule for this situation.

A. f(n) = 1/3n
B. f(n) = 3n
C. f(n) = n/12
D. f(n) = 12n

Answer 1

The answer would be B, because 3 feet makes a yard, so in order to get f(n) in yards, you have to multiply the n (which is measured in feet) by 3.

Hope this helps! :)

Answer 2

Option B is correct

the function rule for this situation is:

`f(n) = 3n`

Explanation:

Use conversion:

1 yards = 3 feet.

As per the statement:

The length of a field in yards is a function ƒ(n) of the length n in feet.

⇒Number of yards = 3n

Therefore, the function rule for this situation is:

`f(n) =3n`