3543.72 cm^2.
Hopefully it helped ya
there is no length in a circle
Count change of signs to tell positive roots
then replace x with -x and evaluate, then count change in sign for negative roots
initially
+, -, -, +, +, -
3 changes
3 or 1 positive roots
replacing x with -x
-,-,+,+,-,-
2 changes
2 or 0 negative roots
B is answer
C. You can graph it on Desmos and all the given points work.
