I don’t not know how to solve. i need the complete answer please

asked Mar 18, 2024 14.3k views

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Part (a)

$D(1)=(1000)/(√(1))-1=999 \\ \\ D(4)=(1000)/(√(4))-1=499 \\ \\ (D(4)-D(1))/(4-1)=(499-999)/(4-1)=\boxed{-(500)/(3)}$

Part (b)

$D(100)=(1000)/(√(100))-1=99 \\ \\ (D(100)-D(4))/(100-4)=(99-499)/(100-4)=\boxed{-(25)/(6)}$

Yash Mehrotra answered Mar 25, 2024

8.8k points

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