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If f and g are two functions from R to R...

 If f and g are two functions from R to R defind by f(x) = 4x - 3, `g(x) = x^(2) + 1`, find fog and `gcircf`.

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The correct Answer is:
`4x^(2) + 1`, `16x^(2) - 24x + 10`
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