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Blake goes running for 10 minutes on Sunday. Every day he doubles his running time. If he continues this pattern, how many minutes will he run on the 7th day?
I'm confused about which formula I should use:
f(n) = f(1) • r^(n−1) or an = a1 • r^(n−1)
are these even the correct formulas for this question????
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yes those are the correct ones and both say the same thing
if you use the second one, a1=10, r=2 and n=7
So that means that on the 7 day he would run 640 minutes???? @rajat97
ok thanks alot...
what formula would u use for this question??
Alex studies for an exam for 50 minutes on Monday. Every day he increases his study time for 5 minutes. If he continues this pattern, how many minutes will he study on the 7th day?