Question

A family of 3 is planning on taking ski lessons. The cost of renting a pair of skis per hour, x, can be represented by the function g(x) = 12x + 3x.The cost for ski lessons for a small group can be represented by the function f(x) = 20x, where x is the number of hours. What is the total cost for the lesson, including ski rentals, as a function of the number of hours for a family of 3?

a) Total Cost = f(x) + g(3x)

b) Total Cost = f(3x) + g(x)

c) Total Cost = f(x) - g(3x)

d) Total Cost = f(3x) - g(x)

Answer 1

The total cost for the lesson, including ski rentals, as a function of the number of hours for a family of 3 is represented by the function f(x) + g(3x).

Step-by-step explanation:

The total cost for the lesson, including ski rentals, as a function of the number of hours for a family of 3 can be represented by the function f(x) + g(3x), where f(x) represents the cost of ski lessons for a small group and g(3x) represents the cost of renting skis for 3 hours. Therefore, the correct option is Total Cost = f(x) + g(3x).