The quantity of Sensitech laser gaming mice demanded each month is related to the unit price by the equation

p = 42/0.03x^2 + 1 (0 ≤ x ≤ 20)

Find the revenue function R.

Find the marginal revenue function R'.

1 answer

R = p x = 42/0.03x + x = 1400 /x + x
dR/dx = -1400 /x^2 + 1