please help will mark brainlest its a 6th grade question last question on my test! and its worth 5 points PLZ HELP!!!

What is the percent of increase for a population that changed from 438,000 to 561,000

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

F(x)=x^3+4 question 6 options: the parent function is shifted up 4 units the parent function is shifted down 4 units the parent function is shifted left 4 units the parent function is shifted right 4 units