SOLUTION: Find f"circle"g and g"circle"f. f(x)= -2x; g(x)= -2x^2 +3

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Question 359945: Find f"circle"g and g"circle"f.
f(x)= -2x; g(x)= -2x^2 +3
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)= -2x; g(x)= -2x^2 +3
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fog(x) = f[g(x)] = f[-2x^2+3] = -2[-2x^2+3] = 4x^2-6
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gof(x) = g[f(x)] = g[-2x] = -2(-2x)^2+3 = -2(4x^2)+3 = -8x^2+3
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Cheers,
Stan H.
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