It is a four digit whole number

Select the graph of the solution. click until the correct graph appears. |x| = 3

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

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?