Respuesta :

AlgebraicAardvark

You start with

    [tex](f\circ g) (-3) = f(g(-3))[/tex]

You first find

    [tex]g(-3) = -3-2 = -5[/tex]

You then substitute that back into the first line

    [tex]f(g(-3)) = f(-5) = 5(-5)^2-4 = 125-4 = 121[/tex]

So, [tex](f\circ g) (-3) = 121[/tex]

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