Let f(x) = , x R , where a, b and d are non-zero real constants. Then

a. f is a decreasing function of x

b. f is neither increasing nor decreasing function of x

c. f is not a continuous function of x

d. f is an increasing function of x

Let f(x) = , x R , where a, b and d are non-zero real constants. Then

a. f is a decreasing function of x

b. f is neither increasing nor decreasing function of x

c. f is not a continuous function of x

d. f is an increasing function of x

1 Answer

127 votes

f(x) =

f ’(x) = + > 0 R

f is an increasing function

127 votes

127