Let p = 22 - 1/; and C(x) = 671 + 2x, where x is the number of garden hoses that can be sold at a price of $p per unit and C(x) is the total cost (in dollars) of producing x garden hoses. (A) Express the revenue function in terms of x. (B) Graph the cost function and the revenue function in the same viewing window for 0 Ex 5 484. Use approximation techniques to nd the break-even points. (A) R(x) = 22x ml; (B) Choose the correct graph for R(x) and C(x) on [0, 464] x[0. 1920]. V Av Q v Q Ay Q 1600 Q 1600 Q 1000 Q 1200 Eq/ 1200 /> 1200 / x' 2' )- 8007? F1 800 F1 8007* F1 400' 400 400 l X X \ X 0 0 0 o 200 400 0 200 400 0 200 400 The break-even point on the left is approximately [l |, (Round each coordinate to the nearest integer as needed) The total cost (in dollars) of producing x food processors is C(x) = 1900 + 60x - 0.4x2. (A) Find the exact cost of producing the 31st food processor. (B) Use the marginal cost to approximate the cost of producing the 31st food processor. (A) The exact cost of producing the 31st food processor is $|:|. The total cost (in dollars) of producing x food processors is C(x) = 1800 + 20x - 0.1 x2. (A) Find the exact cost of producing the 61st food processor. (B) Use the marginal cost to approximate the cost of producing the 61st food processor. (A) The exact cost of producing the 61st food processor is $|:|