If fx-x2-x-1 - gx-7 x-3- be two real functions then f-g3 is

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If fx=x2-x+1 ...

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If f(x) = x² – x + 1; g(x) = 7x – 3, be two real functions then (f + g)(3) is

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If f(x) = x² - x + 1, g(x) = 7x - 3, be two real functions then (f - g)(8) is

If $f (x) = x^{2}$ and $g (x) = 2 x + 1$ are two real function. Find $f + g (x)$

f (x) = x^{2}

g (x) = 2 x + 1

(f g) (x)

(\frac{f}{g}) (x) .

f (x) = \sqrt{x + 3} and g (x) = x^{2} + 1

f (x) = x^{2}

g (x) = 2 x + 1

(f + g) (x), (f - g) (x), (f g) (x), (\frac{f}{g}) (x) .

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