Answer:
B
Step-by-step explanation:
C and D aren't linear and A has a positive slope
Answer:
21x^2-2x+1
Step-by-step explanation:
The area of shaded region= The area of the floor - area of the identical islands
The area of shaded region=(5x+1)^2-2*(2x)(x+3)=25x^2+1+10x-4x^2-12x=21x^2-2x+1
I think you need to add a picture?
Answer:
It says not a conic section
Step-by-step explanation: