Please help ASAP 40 points!!
If f(x) = -5^x - 4 and g(x) = -3x - 2, find (f-g) (x).
A. (f-g)(x) = -5^x - 3x - 6
B. (f-g)(x) = -5^x + 3x - 2
C. (f-g)(x) = -2x-2
D. (f-g)(x) = 5^x - 3x + 2
