Ask Question
7 July, 04:13

9. You go to a local mechanic to get your tires changed. There is a 6% sales tax, but you get a 10% discount.

a. Write a function, t (x) for the total purchase amount after taxes but before discounts and fees.

b. Write a function, d (x) to account for the total after discounts on purchase amount x.

c. Does it matter whether the mechanic adds the tax first or takes the discount first? Show all your work to verify.

+5
Answers (1)
  1. 7 July, 04:21
    0
    Step-by-step explanation:

    a)

    t (x) = x * (1 + 0.06)

    b)

    d (x) = x * (1 + 0.06) * (1 - 0.1)

    c)

    It doesn't matter because a * b = b * a

    So x * (1 + 0.06) * (1 - 0.1) will be the same as xx * (1 + 0.06) * (1 - 0.1) * (1 + 0.06).
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “9. You go to a local mechanic to get your tires changed. There is a 6% sales tax, but you get a 10% discount. a. Write a function, t (x) ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers