the function v(x)=48−2x relates the price, v, of carolina's wind chimes to the number produced, x. the cost of carolina's materials changes so that c(x) = 4x + 42. find the new profit function. then find the quantity that maximizes profit and calculate the profit.

To add polynomials, group like terms and combine like terms. To subtract polynomials, distribute the factor of −1 and combine like terms. To multiply polynomials, apply the Distributive Property and then combine like terms.

Step-by-step explanation:

To add polynomials, group like terms and combine like terms. To subtract polynomials, distribute the factor of −1 and combine like terms. To multiply polynomials, apply the Distributive Property and then combine like terms.

the answer is 489

step-by-step explanation:

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.