Question

Hey!plese help posted picture of question

Answer 1

F(x) = 4x + 1
g(x) = x² - 5

(f - g)(x) means subtracting g(x) from f(x). So we can write:

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

So option c is the correct answer