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Evaluate the function at the given value of the independent variable and simplify

Evaluate the function at the given value of the independent variable and simplify-example-1
User Esbanarango
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1 Answer

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17 votes

Given the function:


f(x)=x^2+9x-9

to evaluate f(5), we have to make x = 5 and substitute on the function to get the following:


\begin{gathered} f(5)=(5)^2+9(5)-9=25+45-9=61 \\ \Rightarrow f(5)=61 \end{gathered}

therefore, f(5) = 61

User Kchak
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