The area is 57 square feet.
Small rectangle is 4 x 3 which is 12.
Big rectangle is 7.5 x 6 which is 45.
Add both areas of the shapes and you get 57.
Step-by-step explanation:
see the picture
maybe i am right or wrong i have juat tried
B is the answer
As x → ∞, f(x) → - ∞
As x → - ∞, f(x) → - ∞