The Function That Gives the Cost of a Certain Commodity

question 84

Multiple Choice

The function that gives the cost of a certain commodity is defined by ​ ​
Where x is the number of pounds of a certain commodity sold and C(x) is measured in dollars. Sketch the graph of the function C.
​
Determine the values of x for which the function C is discontinuous.
​

• A) ​ x = 20, 30, 40
• B) ​ x = 50, 60
• C) ​ x = 20, 30, 40

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