The value of the function at x=5 is -43.
In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations that are formed according to rules which are dependent on the context.
[tex]f(x)=-2x^2+2x-3[/tex]
Equating the value in the given equation,
[tex]\begin{aligned}f(x)&=-2x^2+2x-3\\f(5)&=-2(5)^2+2(5)-3\\&=-2(25)+10-3\\&=-50+10-3\\&=-43\end{aligned}[/tex]
Hence, the value of the function at x=5 is -43.
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