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Posted by on Sunday, September 30, 2012 at 10:26pm.

How do I find (a) f*g (b) g*f (c) f*f of these problems?
If you can, please show me step by step ^___^ thank you

1)f(x)=x^2
2) f(x)=3x+5

  • Math - , Sunday, September 30, 2012 at 11:57pm

    I assume you mean g(x) = 3x+5

    (f*g)(x) = f(x)*g(x) = (x^2)*(3x+2) = 3x^3 + 2x^2
    similarly for g*f and f*f

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