The cost and revenue (in rupees) for producing toy cars are and

MATHEMATICS · Single correct · AP · AP Precalculus · Polynomial and Rational Functions · Polynomial and Rational Functions

Problem

The cost and revenue (in rupees) for producing

x

toy cars are

C(x)=20x+100

and

R(x)=50x-x^{2}

, respectively. What is the profit when

x=10

? (a) Rs -100 (b) Rs 400 (c) Rs 100 (d) Rs 200