Perform the requested operation or operations.
f(x) = 4x + 7, g(x) = 3x2
find (f + g)(x).

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

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Annabelle's homework is 75% it took her three hours how long should she estimate it will take her to complete her homework.