Please help me solve this three questions . Include all steps please. Urgent answer

In Thousands of dollars per widget , a manufacturer estimates that its marginal cost to produce 2c widgets is given by f (c ) = 2oct1, while its marginal revenue is given by (20) = - 2x2+12 +2 Determine the total proft if 10 widgets are sold . Evaluate the allowing Integrals show all work . leave your ansafer for ( a ) as a simplified excat number, not as a decimal. a b ) ( In 4 x ) 3 DC Kthat is the linearization b (x ) of fox ) = Vitzc at b) Rounded to 4 decimal places , determine Ite error in using the linear approximation from part (a) to evaluate f at x = 0104. # 3 has two park a and b )