Question

Please need help with arithmetic functions!!!

Answer 1

The answer is C. -x^2+4x+6

EXPLANATION

The notation itself suggests that you have to subtract the g(x) from f(x). Thus,

$(f - g)(x) = 4x + 1 - (x^{2} - 5) \\ (f - g)(x) = 4x + 1 - x^{2} + 5 \\ (f - g)(x) = - x^{2} + 4x + 6$