The monthly charge in dollars for x kilowatt-hours (kWh) of electricity used by a residential consumer of Excelsior Electric Membership Corporation from November through June is given by the function .
Is C continuous at ?

Question

The monthly charge in dollars for x kilowatt-hours (kWh) of electricity used by a residential consumer of Excelsior Electric Membership Corporation from November through June is given by the function  .
Is C continuous at  ?
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Quizplus · Accepted Answer

The function is a polynomial function, and all polynomial functions are continuous for all values of x. Therefore, C is continuous at the given value.

The Monthly Charge in Dollars for X Kilowatt-Hours (KWh) of Electricity