The total cost in dollars to produce q units of a product is c(q). fixed costs are $13000 . the marginal cost is c'(q)=0.006q^2-q+50.

estimate c(170) , the total cost to produce 170 units. find the value of c'(170). then combine these to find c(171).

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

What is the difference between the equations of a vertical and a horizontal line?