Me with number 41. find the value of x

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

Arestaurant offers a $12 dinner special that has 5 choices for an appetizer, 12 choices for an entrée, and 4 choices for a dessert. how many different meals are available when you select an appetizer, an entrée, and a dessert? a meal can be chosen in nothing ways. (type a whole number.)

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