The table shows the functions representing the length and width of a rectangle. х
1
2
3
4
Length
f(x) = x + 3
4
5
6
7
Width
g(x) = x + 2
3
4.
5
6
The perimeter of the rectangle when x = 3 is 22. Which equation can be used to represent the perimeter of the
rectangle, P(x)?
P(x) = 2(f. g)(x)
P(x) = (f. g)(x)
P(x) = 2(f + g)(x)
P(x) = (f + g)(x)