Betty had to pay a total of $76 for a bike rental to bike along the beach for some hours. She was also charged for a one-time $20 service fee. How many hours did she go biking if she gets charged $8 an hour? (Let X be the variable)

Which function has an inverse function? a. f(x)= |x+3|/5 b. f(x)= x^5-3 c. f(x)= x^4/7+27 d. f(x)= 1/x²

40) linda was making chocolate truffles for the first day of school. the recipe for 20 chocolate truffles is: i cup of cream 2 cups of dark chocolate she noticed this will not be enough truffles for the 42 sure that all students in each homeroom next year. to be sure that all students receive a truffle, linda must adjust her recipe. a. complete the recipe for 42 truffles cups of cream - cups of dark chocolate work:

In which direction does the left side of the graph of this function point? f(x) = 3x3 - x2 + 4x - 2