Respuesta :

the given expression i s

[tex]f(x)=x^2-3x+8[/tex]

for f(-1) , put x = -1 in the equation.

[tex]f(-1)=(-1)^2-3(-1)+8[/tex]

f(-1) = 1 + 3 + 8 = 12

so the answer is

f(-1) = 12

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