The answer is c
I love math btw
you're correct. its to take out the greatest common factor.
Answer:
f(19)=3/21-4=-3.857
Step-by-step explanation:
f(x)=3/(x+2)-sqrt(x-3)
f(19)=3/(19+2)-sqrt(19-3)
f(19)=3/21-sqrt(16)
f(19)=3/21-4
f(19)=-3.857
C.(x-2)^2+(y+10)^2=9, plug the numbers in the original formula.
25 is the answer
hope it helps