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Home Q & A Board Science-Related Homework Help Mathematics Pre-calculus and Functions
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helping is kind helping is kind
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Posts: 92
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3 years ago
Simon has a Wayne Gretzky rookie hockey card. He bought it in 2000 for $500 on e-Bay. He estimates that it will appreciate in value by 7% each year. The dealer told him the function V(t) 5 500(1 1 0.07)t can be used to estimate the card’s future value.

a) Explain how the numbers in the equation are related to the situation.
b) How much will the card be worth in 2020?
c) How long will it take for the card to double its value
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bio_manbio_man
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#1
Educator
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3 years ago
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helping i. Author
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#2
3 years ago
Thanks a lot
helping i. Author
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#3
3 years ago
I see you used log to calculate for c) but is there another way I could do it too ? because I didn't learn how to use log.
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#4
Educator
3 years ago
Do you have a similar question done by your teacher, if so, what did they do?
helping i. Author
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#5
3 years ago
Here is a question we did in class
Post Merge: 3 years ago

This is also another type of question
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helping i. Author
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#6
3 years ago
We always have to write the formula used and a therefore statement
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#7
Educator
3 years ago
Oh, I see. He uses "trial-and-error" 😆 In that case, just show that you guessed 9 -- didn't work (too low), 11 -- didn't work (too high), but 10.2 was just right!
helping i. Author
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#8
3 years ago
Yes! That is it, I was going to tell you that but I thought you might not know of that method
helping i. Author
wrote...
#9
3 years ago
Yeah, so like we have to do a table chart. Okay, thanks!
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