Question

The table shows the functions representing the length and width of a rectangle

Answer 1

P(x)=2(f+g)(x)

Step-by-step explanation

The perimeter of a rectangle is calculated using the formula:

P=2(l+w)

From the table

The length is f(x)=x+3

The width is g(x)=x+2

This implies that the perimeter is

P(x)=2(f(x)+g(x))

This is the same as

P(x)=2(f+g)(x)