Given f(x)=log(3e^(2x)+4x-5), then
a. ,f(x) ha no oblique asymptote for x->+\infty
b. ,y=2x is an oblique asymptote for x->-\infty
c. f(x)=2x+log(3)+o(1) for x->+\infty
d. y=2x+3 is an oblique asymptote for x->+\infty
e. y=2x+log(3) is an oblique asymptote for x->-\infty