If `f(x)=(x)/(x-1)`, then what is `(f(a))/(f(a+1))` equal to?

If f(x)=2x^(2)+3x-5, then what is f'(0)+3f'(-1) equal to?

f(x)=(x)/(x-1) then (f(a))/(f(a+1)) is equal to a.f(-a) b.f(1/a) c.f(a^(2)) d.f (-(a)/(a-1))

Consider the function f(x)=(x-1)/(x+1) What is f(f(x)) equal to ?

If f(x) =|(1, x, x+1),(2x, x(x-1), x(x+1)), (3x(x-1), 2(x-1)(x-2), x(x+1)(x-1))| then what is f(-1) +f(0) +f(1) equal to ?

Consider the function f(x)=(x-1)/(x+1) What (f(x)+1)/(f(x)-1) equal to ?

f(x)=x/(x-1) then (f(a))/(f(a+1)) is equal to a. f(-a) b. f(1//a) c. f(a^2) d. f(-a/(a-1))