Pretty sure it’s D and F because if you set (x-4)=0, x is 4 and if you set (x+7)=0, x is -7
X≈1.5874
(Use the answer in the photo)

where A is area
a is side a lets say its 8cm
b is side b lets say its 7 cm
theta is 28
Answer:
4100 workers
Step-by-step explanation:
Answer:
The equation is not a linear function.