Find the distance between (1,2) and (-3,5)

Which graph represents the function g(x) = |x + 4| + 2?

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?

If y varies as x, and y=8 as x=4 what will be the value of y if x=2