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anonymous

  • 5 years ago

how do you write a function rule

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  1. anonymous
    • 5 years ago
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    Micheal has a home based business putting on childrens parties. He charges $25.00 to design the party and then $8.50 per child. Write a function rule that relates the total cost of the party to the number of children n.

  2. anonymous
    • 5 years ago
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    the number of children is n. Lets call the total cost of the party C. Tell me in english, what would be the total cost of the party, for, say 5 children?

  3. anonymous
    • 5 years ago
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    the total cost of the party for 5 would be 42.50 would you take 8.50 times 5?

  4. anonymous
    • 5 years ago
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    right, but you forgot that he charges 25 dollars to design the party apart from charging each child 8.5

  5. anonymous
    • 5 years ago
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    ok so then i would take 42.50 and add 25.00 and i would come up with 67.50

  6. anonymous
    • 5 years ago
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    okay. good. so what would your equation look like for 5 children? total cost = ?

  7. anonymous
    • 5 years ago
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    im not sure

  8. anonymous
    • 5 years ago
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    how did you get 67.5? just work backwards. you added 25 dollar design charge to the charge for 5 children.

  9. anonymous
    • 5 years ago
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    so would it be 25 + 8.50

  10. anonymous
    • 5 years ago
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    charge for one child is 8.5. charge for 5 children is?

  11. anonymous
    • 5 years ago
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    ok i think i got it now so my equation would be 8.5 x 5 +25.00

  12. anonymous
    • 5 years ago
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    okay good. so for 5 children, total cost is 8.5 x 5 +25.00. so for n children, the total cost is?

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