Answer:
g^-1(x)=-(4)/(x+2)
Step-by-step explanation:
I got X = 6
If you replace x for 6 you should get 216
6^3 = 216
75% of medicine this person took, you do that by doing 420/560 and you get .75. Then you move the decimal over twice since it asks for a percent and you get 75%