Answer:
4x + 4
Step-by-step explanation:
perimeter= breadth + length + breadth + length
(x+2)+(x+2)+x+x
= 4x(because there is 4 x) + 2 +2
= 4x + 4
The answer is -10
I hope this helps you
f(g(x)) =f(x+1)=7(x+1)^2
f(x+1)=7.(x^2+2x+1)
f(x+1)=7x^2+14x+7
