anonymous
  • anonymous
In 1991, the cost of mailing a 1 oz. first-class letter was 29 cents, and the inflation rate was 4.6%. If the inflation rate stayed constant, the function C(t) = .29(1.046)t would represent the cost of mailing a first-class letter as a function of years since 1991. 1. If the function given holds true, in what year would the cost of mailing a first-class letter reach 60 cents?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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mathmale
  • mathmale
Just set the given function = to 60 and solve the reulting equation for t.
anonymous
  • anonymous
I got 197.8 = t.

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