anonymous
  • anonymous
The equation, y = 12841(1.01)x , represents the average cost of an education at a private college, after 1990. What is the average cost in 1990 (x = 0)? A. $12,969 B. $12,841 C. $13,122 D. $13,099 Wouldnt the answer be A? (:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
12841
anonymous
  • anonymous
assuming this is \[12841(10.1)^x\]
anonymous
  • anonymous
i mean \[12841(1.01)^x\]

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anonymous
  • anonymous
No, its 1.01
anonymous
  • anonymous
ya lol
anonymous
  • anonymous
\[(1.01)^0=1\] so you just get the number in front
anonymous
  • anonymous
Right.
anonymous
  • anonymous
Which is what i did then i multiplied and got 12969.41 .... i must have mis calculated hold on i will try again
anonymous
  • anonymous
hold on multiplied by what? 1 times any number is just that number.
anonymous
  • anonymous
but isnt it 1.01 not 1?
anonymous
  • anonymous
oh no. anything to the power of zero is 1
anonymous
  • anonymous
you have \[12841(1.01)^x\] i am fairly sure the x is in the exponent. this is growth of 1% per year. when you replace x by 0 you get what you started with, which is the number out front, because \[(1.01)^0=1\]
anonymous
  • anonymous
Ahhh i see now (: Thank you!!!
anonymous
  • anonymous
welcome
myininaya
  • myininaya
hey poplak come look at the cool problem i did :)

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