Step-by-step explanation:
area of the small = pi * r^2
area of the big = pi * (2*r)^2 = pi * 4* r^2= 4* area of small
-> ratio of small : big = 1: 4
Answer:
g^-1(x)=5x/3 +5
i don't know if it is correct or not, sorry if i were mistaken