Question

If f(x)=x/4-3 and g(x)= 4x²+2x-4, find (f+g)(x).

OA. 4x²+x-7
OB.x²-12
O C. 4x²+2x+1
O D. 4x²+2x-7

Answer 1

hello :

f(x)=x/4-3 and g(x)= 4x²+2x-4,

(f+g)(x).=f(x)+g(x)=x/4-3 + 4x²+2x-4,

(f+g)(x).= 4x²+(2x+x/4)-7

(f+g)(x).= 4x²+x(3+1/4) - 7......continu