shay preguntado en Science & MathematicsMathematics · hace 1 mes

To call Atlanta from Boston, the long distance charges C are $0.37 for the first minute and $0.33 for each...?

To call Atlanta from Boston, the long distance charges C are $0.37 for the first minute and $0.33 for each additional minute t (or portion thereof).  Draw a graph of C versus t.  Is this an example of continuous or discontinuous function?  Explain.

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  • hace 1 mes

    C= 0.37 + 0.33(t-1)

    when t= 0 C= 0.04

    when C=0 t= 0.1212

    just plot (0, 0.04) and (0.1212, 0) in x,y graph.

                   x,     y.              x,       y

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