Determine if each of the following functions is in Big-o, is Big-Omega and is Big-Theta of x: (multiple select) 0(x) ?(x) a. f(x)= 10 ? 0(x) 0(x) ?(x) b. f(x)- 3x + 7 ? 0(x) c?f(x)=x2 + x + 1 ? ?(x) ? 0(x) 0(x) ? ?(x) d, f(x)= 5 log (x) e. f(x)= 1x1 ? ?(x) f. f(x)x/2 6(x)