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20 votes
20 votes
F (x) - x-3Can someone help me with this I’m crying

F (x) - x-3Can someone help me with this I’m crying-example-1
User Afreekano
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1 Answer

10 votes
10 votes

Given


f(x)=(3)/(x+2)-\sqrt[]{x-3}

Set x=7 and simplify as shown below


\begin{gathered} \Rightarrow f(7)=(3)/(7+2)-\sqrt[]{7-3} \\ =(3)/(9)-\sqrt[]{4} \\ =(1)/(3)-2 \\ =-(5)/(3) \\ \Rightarrow f(7)=-(5)/(3) \end{gathered}

Rounding to the nearest hundredth,


\Rightarrow f(7)\approx-1.67

The rounded answer is -1.67

User Srgerg
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