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Piecewise Functions
0. Functions / Piecewise Functions / Problem 3
Problem 3

Let C(x)C(x) be the total cost in dollars of electricity used by a factory from time t=0t=0 to t=xt=x hours, where the cost rate is given by c(t)={0.5t+3;t45;t>4c\(\left\)(t\(\right\))=\(\begin{cases}\)0.5t+3;t\(\le\)4\\ 5;t>4\(\end{cases}\).
Find the formula for C(x)C(x).