# 4. Suppose the daily cost C, in dollars, of a bicycle manufacturer

is given by C(x) = 90x + 1800, where x is the number of bicycles produced in a day.

(a) What is the cost for a day where 20 bicycles are produced?

(b) Suppose the manufacturer wants to spend no more than $2900 one day. What is the maximum number of bicycles they can produce that day?

(c) Interpret the slope and y-intercept of the model function C(x).

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