Question

Let f(x = 3x 2 and g(x = x - 3. find f(x - g(x and state its domain.

Answer 1

Answer: $3x^2 - x + 3$ and domain is the

Step-by-step explanation:

Here, $f(x) = 3x^2$ and g(x) = x-3

Thus, f(x) - g(x) = $3x^2 - (x - 3)= 3x^2 -x +3$

Since, the polynomial always has the set of real number as its domain.

Since f(x) - g(x) is also a polynomial.

Therefore, the domain of f(x)-g(x) is the set of real number.

Answer 2

F(x) = 3x +2 and g(x) = x -3 f(x) - g(x) will be the difference between those two functions. 3x + 2 - (x - 3) = 3x + 2 -x +3 = 2x + 5 The answer is B.5/25/2014 | Nicole H.