f(x) = 4x² + 5x - 3
g(x) = 4x³ 3x² +5
Find (f - g)(x).
A. (f-g)(x) = 4x³ + x² + 5x + 2
B. (f- g)(x) = 4x³ − 7x² − 5x + 8
C. (fg)(x) = −4x³ +7x² + 5x − 8
D. (f-g)(x) = −4x³ + x² + 5x+2