What is the value of y that satisfies the equation below? y 3 = 12 a 3 c 36 b 4 d 63

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

What is the y intercept of f(x)=(1/2)^x?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much