Question

Math textbooks are being sold online for $12 each, plus a one-time handling fee of $3. The total cost is a function of the number of textbooks bought.
a) The dependent variable is represented by:
b) The independent variable is represented by:
c) Write a function rule to model the cost of the textbooks:

What is the total cost for 6 textbooks?

Answer 1

Haoyu, I'm telling Ms. Mak about your behavior. Expect not to see tomorrow, you were cheating on the math test. I will also contact your parents.  Reply to me immidetly if you do not want to get exposed to everyone.