I'm not 100% sure what you're asking, but i think it wants:
50,000 + 25,000 = 75,000 - so B is the answer
to do it you basically just round the number to the nearest 1000 and add
Didivide both sides by (3r^4)
t=
Answer:
f(x)=33√x2(3x−16)xf(x)=3x23(3x-16)x
am not sure wait for the next answer sorry if it didn't help