Business Calculus Quiz
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LIMITS & CONTINUITY
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An internet service provider charges a monthly fee based on data usage,
$x$, in gigabytes. The cost function is $C(x) = \begin{cases} 30 & \text{if } 0 \le x \le 50 \\ 30 + 0.50(x-50) & \text{if } x > 50 \end{cases}$. Which statement best describes the continuity of this cost function at the $x=50$ GB threshold? YOUR PROGRESS
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