Question

The marginal revenue R'(x) = Then the revenue function is _____ 

(a) -1/(x +1)

(b) 1/(x + 1)²

(c) log 1/(x + 1)

(d) log|x + 1| + k

Answer 1

(d) log|x + 1| + k

Revenue function R = ∫1/(x + 1)dx = log|x + 1| + k