If x = 2, what is the value of x3 + x - 5? A.
15
B.
5
C.
11
D.
13

How do the graphs of y = 1/x and y=5/x+6 compare?

How many $20 bills do you need to have to make $280

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?