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anonymous

  • one year ago

3. A textbook company keeps track of its daily cost for printing whole textbooks to different schools, but can only print up to 500 books a day. The daily cost (C) to print x number of textbooks is given by C(x) = 3.50x + 1200. 1. Using the function, determine one possible daily cost by evaluating the function for any input of your choice. 2. For what value of x does C(x) = 1900? 3. Interpret the statement C(20) = 1270. 4. Interpret the statement C(w) = p. 5. Explain whether C(40.5) = 1341.75 is correct and possible given the context of this problem.

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  1. shreenithaa
    • one year ago
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    1. c(500)=3.50(500)+1200 ______________________________ 500 c=3.50+1200 c=1203.50 (FOR NUMBER 1, YOU COULD ACTUALLY PUT ANY NUMBER IN THERE FOR THE TEXTBOOKS)

  2. shreenithaa
    • one year ago
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    c(x)=1900 c(x)=3.50x+1200 original equation 3.50x+1200=1900 -1200 -1200 3.50x=700 / 3.50 x=700/3.50 c is x plugged in

  3. shreenithaa
    • one year ago
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    use the same idea for 3

  4. shreenithaa
    • one year ago
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    it says interpret so you have to guess for 4

  5. shreenithaa
    • one year ago
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    5. C(40.5) = 1341.75 c(40.5)=1341.75-(3.50(40.5)+1200) /////////////////////////////// 40.5 c=1341.75-(3.50+1200 c=1341.75-1203.5 c=138.25

  6. shreenithaa
    • one year ago
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    so i guess its correct

  7. shreenithaa
    • one year ago
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    is that enough or do u want me to do more?

  8. anonymous
    • one year ago
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    That's great. Thank you so much!

  9. shreenithaa
    • one year ago
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    ur welcome ;)

  10. shreenithaa
    • one year ago
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    what grade r u in?

  11. anonymous
    • one year ago
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    9th

  12. shreenithaa
    • one year ago
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    ooh im in 8th

  13. anonymous
    • one year ago
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    oh.. wow

  14. shreenithaa
    • one year ago
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    yeah maybe its because i have honors math and 9th graders go over it

  15. anonymous
    • one year ago
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    yeah probably

  16. shreenithaa
    • one year ago
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    k c ya

  17. anonymous
    • one year ago
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    thanks again bye

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