Question

Travis has hired a music teacher who will come to his house to give him trumpet lessons. For each lesson, the music teacher charges $20 for Travis to borrow a trumpet in addition to charging $35 per hour that the lesson takes. Based on this information, determine the rate of change for the cost function for the trumpet lesson. llars per hour

Answer 1

we know that

The rate of change in a linear function is equal to the slope

In this problem, the slope or rate of change is equal to

m=$35 per hour

therefore

the answer is

The rate of change is $35 per hour