Problems
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Determine $(g\circ f)(x)$ when $f(x)=-2\,x^2-4$ and $g(x)=-x$.
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Determine $(f\circ g)(x)$ if $f(x)=(x-1)/(x+1)$ and $g(x)=x^2$.
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Determine $(f\circ g)(x)$ if $f(x)=2x$ and $g(x)=3x$.
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Suppose that $f(x)=x+2$ and $g(x)=x^2$. Find $f\circ g$ and $g\circ f$.
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Determine $(f\circ g)(x)$ when $f(x)=-x-1$ and $g(x)=-3\,x^2$.
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Determine $(f\circ g)(x)$ when $f(x)=2\,x^2+4\,x-1$ and $g(x)=3\,x^2+2\,x-3$.
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Determine $(f\circ g)(x)$ when $f(x)=-x^2-5$ and $g(x)=x+5$.
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Determine $(f\circ g)(x)$ when $f(x)=2\,x^2+4\,x-4$ and $g(x)=-5\,x^2+2\,x+6$.
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Determine $(f\circ g)(x)$ when $f(x)=x^2-6\,x-4$ and $g(x)=-3\,x^2-2\,x-7$.
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Determine $(f\circ g)(x)$ when $f(x)=-2\,x^2-4$ and $g(x)=-x$.
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Determine $(f\circ g)(x)$ when $f(x)=-x^2-8\,x-6$ and $g(x)=9\,x^2+4\,x+3$.
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Determine $(f\circ g)(x)$ when $f(x)=5$ and $g(x)=x^2+8\,x+3$.
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Determine $(f\circ g)(x)$ when $f(x)=-2\,x^2+x+2$ and $g(x)=2\,x^2+2\,x-2$.
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Determine $(f\circ g)(x)$ when $f(x)=2\,x-x^2$ and $g(x)=x^2-x+2$.
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Determine $(f\circ g)(x)$ when $f(x)=2$ and $g(x)=-2\,x-2$.
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Determine $(f\circ g)(x)$ when $f(x)=2\,x^2-1$ and $g(x)=2\,x^2+2$.
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Determine $(f\circ g)(x)$ when $f(x)=2\,x^2+x-1$ and $g(x)=0$.
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Determine $(f\circ g)(x)$ when $f(x)=2\,x^2+2\,x-2$ and $g(x)=-2\,x^2+x-1$.
