If f(x) = 2x2 + 5 and g(x) = x2 – 2, find (f – g)(x).
Ax2 + 7
B3x2 + 3
C3x2 + 7
Dx2 + 3
Ax2 + 7
B3x2 + 3
C3x2 + 7
Dx2 + 3