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avatar+1121 

Let
f(x) = \left\lfloor\frac{3x - 5}{3x + 4}\right\rfloor.
Evaluate f(1)+f(2) + f(3) + \dots + f(999)+f(1000).  (This sum has $1000$ terms, one for the result when we input each integer from $1$ to $1000$ into $f$.)

 Mar 26, 2024
 #1
avatar+128794 
+1

f(1)  = -1

f(2)  = 0

...

f(1000) = 0

 

Sum  = -1

 

cool cool cool

 Mar 26, 2024

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