Verified Answer :

\(4x\) where \(x = 5/7\)

\(=4 * 5/7\)

\(= 20/7\)

\(= 14/7 + 6/7\)

\(= 2\)   \(6/7\)

InesWalston

Answer:

The perimeter is \(\frac{20}{7}\) units.

Step-by-step explanation:

The expression \(4x\) gives the perimeter of a square with a side length of x units.

So the function would be,

\(f(x)=4x\)

where,

f(x) is the function which gives the perimeter of the square, x as the side length.

As have to find the perimeter of a square with side length as \(\dfrac{5}{7}\), so we have to put x as \(\dfrac{5}{7}\) in the function.

Hence, the perimeter will be,

\(f(\frac{5}{7})=4(\frac{5}{7})=\frac{20}{7}\) units

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