Mathematics, 22.12.2020 02:50, pippyysanchezz

The function LaTeX: c\left(t\right)=1.75+0.85\left(t-1\ right)c ( t ) = 1.75 + 0.85 ( t − 1 ) represents the cost to call China as a function of the time, in minutes, t, on the phone. When will the cost first exceed $57?

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The function LaTeX: c\left(t\right)=1.75+0.85\left(t-1\ right)c ( t ) = 1.75 + 0.85 ( t − 1 ) repres...