Let f (x) = 3x+2and g (x) = x-3. Find f (x) - g (x) and state it's domain.

Question

Ryker Huerta

Mathematics

18 March, 02:45

Let f (x) = 3x+2and g (x) = x-3. Find f (x) - g (x) and state it's domain.

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Syllable · Answer 1

Subtracting functions is actually pretty easy. Think of it as just normal subtraction:

f (x) - g (x) = (3x + 2) - (x - 3)

f (x) - g (x) = 2x + 5

The domain is all real numbers, since it isn't a polynomial.

-T. B.