Answer:
617000
Step-by-step explanation:
Division reverses multiplication.
If the total population of Charlotte which we'll call 'x' follows
x * 0.05 = 30850, then
30850 / 0.05 = x
x = 617000
= 3z4 - 2z2 -5z
10
f(x) =3x-x=2x,
f(7-2)=f(5)= 2*5=10