9. A cleaning service, C, charges a fixed cost of $15 plus a rate of $30 per hour for the length of the

service, and another cleaning service, D, charges a fixed cost of $40 plus a rate of $20 per hour.

(a) Write a function C (t) and a function D (t) that represent the situation.

Question

Mathematics

Teagan Mckay

26 November, 12:13

9. A cleaning service, C, charges a fixed cost of $15 plus a rate of $30 per hour for the length of the

service, and another cleaning service, D, charges a fixed cost of $40 plus a rate of $20 per hour.

(a) Write a function C (t) and a function D (t) that represent the situation.

+5

Answers (1)

Know the Answer?

Andrew Willis · Answer 1

C (t) = 15 + 30t

D (t) = 40 + 20t

Step-by-step explanation:

Fixed cost means that a customer will pay that no matter what, the per hour charge is the only thing that will change.

9. A cleaning service, C, charges a fixed cost of $15 plus a rate of $30 per hour for the length of theservice, and another cleaning service, D, charges a fixed cost of $40 plus a rate of $20 per hour.(a) Write a function C (t) and a function D (t) that represent the situation.

9. A cleaning service, C, charges a fixed cost of $15 plus a rate of $30 per hour for the length of the

service, and another cleaning service, D, charges a fixed cost of $40 plus a rate of $20 per hour.

(a) Write a function C (t) and a function D (t) that represent the situation.