ZafiroW772794
ZafiroW772794
26-10-2022
Mathematics
contestada
Find f(8) iff(x) = x² + 2x - 1
Respuesta :
RogersF639917
RogersF639917
26-10-2022
Substitute 8 for x in the equation to ontain the value of f(8).
[tex]\begin{gathered} f(8)=(8)^2+2\cdot8-1 \\ =64+16-1 \\ =79 \end{gathered}[/tex]
So answer is f(8)=79.
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