Which function represents exponential decay? F(x)= 1/2(3/2)*x

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

Write an equation for the function that includes the points (2,100)and (3,100)

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)