Whitch of the functions below could have created this graph

C

Step-by-step explanation:

2 roots: 1 , -1

f(1) = 0 and f(-1) = 0   only function C fit the condition

28²

Step-by-step explanation:

area for square

4×4=16

area for triangle

6×2=12

12÷2=6(the formula for finding a triangle area is height×length after that divided by 2)

for both triangle

6×2=12

after that add 12+16 then you have the answer and don't forget your ²...