An electrician charges a one-time fee of $75 plus $25 for each hour of service. If h is the number of hours and t is the total amount billed to the customer, then the variables are related by the equation t = 25h + 75.

Which variable is the independent variable?

Question

An electrician charges a one-time fee of $75 plus $25 for each hour of service. If h is the number of hours and t is the total amount billed to the customer, then the variables are related by the equation t = 25h + 75.

 

Which variable is the independent variable?

parthkohli · Answer

t depends on the value of h, so it is dependant on h. h, itself is an independent variable because its value doesn't depend on the values of other variables.

anonymous · Answer

oh ok that makes sence